{"id":27401,"date":"2025-06-02T21:00:30","date_gmt":"2025-06-02T21:00:30","guid":{"rendered":"https:\/\/www.auslogics.com\/en\/articles\/?p=27401"},"modified":"2025-06-20T15:24:10","modified_gmt":"2025-06-20T15:24:10","slug":"how-to-fix-dns-server-unavailable-error-in-windows-11","status":"publish","type":"post","link":"https:\/\/www.auslogics.com\/en\/articles\/how-to-fix-dns-server-unavailable-error-in-windows-11\/","title":{"rendered":"[FIXED] \u201cYour DNS Server Might Be Unavailable\u201d Error On Windows 11"},"content":{"rendered":"<p class=\"ai-optimize-142 ai-optimize-introduction\">You\u2019re trying to get online, maybe open a website or refresh your inbox. Then, out of nowhere, you see an error like \u201cDNS address could not be found.\u201d Sometimes, the Windows Network Diagnostic tool pops up to tell you the DNS server is not responding or your DNS server might be unavailable. It can be a real headache, but there\u2019s a silver lining.<\/p>\n<p class=\"ai-optimize-143\">Regardless of the error you get, both messages usually mean the same thing: your computer isn\u2019t connecting properly to something called a DNS server, which helps you reach websites. If you don\u2019t know what that means, it\u2019s easy to feel stuck.<\/p>\n<p class=\"ai-optimize-144\">That\u2019s what this guide is about. We\u2019ll break down what DNS is, what the errors mean, their causes, and how to fix them step by step, even if you\u2019re not a tech person.<\/p>\n<p class=\"ai-optimize-145\">If you\u2019re ready, let\u2019s get into it.<\/p>\n<p class=\"ai-optimize-6\"><div class=\"notebox\">\r\n\t<div class=\"notebox__heading\"> \u26a1TL;DR: Quick summary<\/div>\r\n\t<div class=\"notebox__text\"><\/p>\n<ul>\n<li class=\"ai-optimize-7\" aria-level=\"1\">\ud83e\uddf9 Reset DNS and networking via the <b>Command Prompt and Settings<\/b><\/li>\n<li class=\"ai-optimize-8\" aria-level=\"1\">\ud83c\udf10 Change router DNS to <b>Google or Cloudflare<\/b><\/li>\n<li class=\"ai-optimize-9\" aria-level=\"1\">\ud83e\udde9 Undo problematic <b>Windows updates<\/b><\/li>\n<li class=\"ai-optimize-10\" aria-level=\"1\">\u274c Disable <b>IPv6<\/b> and conflicting <b>Group Policy or registry<\/b> settings<\/li>\n<li class=\"ai-optimize-11\" aria-level=\"1\">\ud83d\udd04 Restart the <b>DNS Client<\/b> service or boot into <b>Safe Mode<\/b> for diagnostics<\/li>\n<li class=\"ai-optimize-12\" aria-level=\"1\">\ud83c\udff7\ufe0f Apply <b>brand-specific fixes<\/b> for Dell, HP, ASUS, Lenovo, and more<\/div>\r\n<\/div>\r\n<\/li>\n<\/ul>\n<p class=\"ai-optimize-13\">These methods are tested, explained step-by-step, and cover both software- and hardware-related causes of DNS issues. If one fix doesn\u2019t work, the next one might\u2014so keep going until you\u2019re back online!<\/p>\n<h2 class=\"ai-optimize-14\">What Is a DNS Server?<\/h2>\n<p class=\"ai-optimize-15\">Imagine looking for \u201cAstrophysics for People in a Hurry\u201d by Neil deGrasse Tyson in a library. You go to the library catalog, and instead of searching for the book title, you get something like <em>QB982.T97 2017<\/em>. That\u2019s basically how the Internet works, except DNS servers make it easier.<\/p>\n<p class=\"ai-optimize-16\">DNS stands for Domain Name System, and it\u2019s like the phonebook of the Internet. It converts website names (like <em>www.google.com<\/em>) into IP addresses like <em>142.250.64.78<\/em>, which helps computers to locate and load websites.<\/p>\n<p class=\"ai-optimize-17\">Here\u2019s how it works:<\/p>\n<p class=\"ai-optimize-6\">\u21e2 You enter a website name in your browser.<\/p>\n<p class=\"ai-optimize-7\">\u21e2 Your computer asks the DNS server for the IP address of that website.<\/p>\n<p class=\"ai-optimize-8\">\u21e2 The DNS server searches its records or asks other DNS servers if it doesn\u2019t know.<\/p>\n<p class=\"ai-optimize-9\">\u21e2 Once the DNS server finds the correct IP address, it sends it back to your computer.<\/p>\n<p class=\"ai-optimize-10\">\u21e2 Your browser then connects to the website using that IP address, and the page loads.<\/p>\n<p class=\"ai-optimize-23\">If the DNS server is not responding, your computer can\u2019t look up those addresses, and that means no websites, email, or streaming. Basically, your internet feels broken even if you\u2019re technically still connected.<\/p>\n<p class=\"ai-optimize-24\"><div class=\"notebox\">\r\n\t<div class=\"notebox__heading\">What is an IP address?<\/div>\r\n\t<div class=\"notebox__text\">An IP address is a unique set of digits assigned to a device on the Internet, like a computer, smartphone, or server. It works like a home address to help devices find and communicate with each other online. Without it, your computer wouldn\u2019t know where to send or receive data. <\/div>\r\n<\/div>\r\n<\/p>\n<h2 class=\"ai-optimize-25\">What\u2019s the Difference Between \u201cDNS Server Not Responding,\u201d \u201cCan\u2019t Reach DNS,\u201d and \u201cDNS Server Unavailable\u201d Errors?<\/h2>\n<p class=\"ai-optimize-26\">Let\u2019s clear this up: although these messages sound different, they all point to the same core issue\u2014your device can\u2019t reach the DNS server, which means it can\u2019t translate domain names into IP addresses.<\/p>\n<p class=\"ai-optimize-26\">The only real difference is how and where the error is being reported\u2014whether by your browser, your operating system, or a troubleshooting tool.<\/p>\n<p class=\"ai-optimize-26\"><div class=\"notebox\">\r\n\t<div class=\"notebox__text\">The exact message might look a little different depending on your Windows version. For example, \u201cDNS server not responding\u201d on Windows 10 might not be the same on Windows 11, since these operating systems now use different types of troubleshooters.<\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-27\" aria-level=\"1\"><em>The DNS server isn\u2019t responding:<\/em> This message can show up, depending on the browser you use, but mostly appears in later versions of Windows 10 when the Windows Network Diagnostics troubleshooter checks for network problems.<\/li>\n<\/ul>\n<p class=\"ai-optimize-28\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-57-Windows-diagnostics-troubleshooter-DNS-isnt-responding.png\" alt=\"The DNS server isn\u2019t responding\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-29\" aria-level=\"1\"><em>Your DNS server might be unavailable:<\/em> This is one of the reports issued by the Windows Network Diagnostics troubleshooter in relatively earlier versions of Windows 10.<\/li>\n<li class=\"ai-optimize-30\" aria-level=\"1\"><em>Can\u2019t reach DNS server:<\/em> This is a newer, shorter message that some users have seen in Windows 11 after troubleshooting the network connection.<\/li>\n<\/ul>\n<p class=\"ai-optimize-31\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-58-Windows-11-Cant-reach-DNS.png\" alt=\"Can\u2019t reach DNS server\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-32\">Chrome might say something like \u201c[website\u2019s] DNS address could not be found,\u201d which means it couldn\u2019t translate the domain into an IP address.<\/p>\n<p class=\"ai-optimize-33\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-59-websites-dns-could-not-be-found.png\" alt=\"DNS address could not be found\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-34\">These errors are saying the same thing. It\u2019s just that one is the browser giving up after several attempts, and the other is Windows trying to help (but not always doing a great job at it).<\/p>\n<h2 class=\"ai-optimize-35\">Why Is Your DNS Server Not Responding or Unavailable?<\/h2>\n<p class=\"ai-optimize-36\">There are a few common reasons why a DNS server isn\u2019t responding or is unavailable. Below is a quick rundown of what could be causing the problem:<\/p>\n<div class=\"wrapper-table\">\n<div class=\"wrapper-table\">\n<table>\n<tbody>\n<tr>\n<th>Causes<\/th>\n<th>What\u2019s going on<\/th>\n<\/tr>\n<tr>\n<td><strong>Router or modern issues<\/strong><\/td>\n<td>Routers can glitch just like computers, and issues like conflicting IP addresses can trigger the error, but a quick reset can solve more than you\u2019d think<\/td>\n<\/tr>\n<tr>\n<td><strong>Incorrect DNS server settings<\/strong><\/td>\n<td>You might be using a DNS server that isn\u2019t working right now<\/td>\n<\/tr>\n<tr>\n<td><strong>Antivirus or firewall interference<\/strong><\/td>\n<td>Some security software can block DNS traffic, even if you\u2019re just trying to browse<\/td>\n<\/tr>\n<tr>\n<td><strong>VPN or proxy settings<\/strong><\/td>\n<td>These tools reroute your traffic, and if they\u2019re misconfigured, DNS lookups can fail<\/td>\n<\/tr>\n<tr>\n<td><strong>ISP problems<\/strong><\/td>\n<td>Sometimes, it\u2019s not you; it\u2019s your internet service provider (ISP) having DNS issues<\/td>\n<\/tr>\n<tr>\n<td><strong>Corrupted DNS cache<\/strong><\/td>\n<td>Your PC might be trying to reuse bad DNS data that\u2019s no longer valid<\/td>\n<\/tr>\n<tr>\n<td><strong>Network adapter issues<\/strong><\/td>\n<td>A buggy or outdated network driver can affect DNS communication<\/td>\n<\/tr>\n<tr>\n<td><strong>Windows networking glitches<\/strong><\/td>\n<td>Sometimes Windows can have glitches, especially after updates or settings changes<\/td>\n<\/tr>\n<tr>\n<td><strong>Faulty Windows updates<\/strong><\/td>\n<td>Updates can mess with DNS settings or services<\/td>\n<\/tr>\n<tr>\n<td><strong>Group Policy or registry changes<\/strong><\/td>\n<td>Advanced settings may have been tweaked, even by other software, causing DNS errors<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"ai-optimize-38\"><div class=\"notebox\">\r\n\t<div class=\"notebox__text\">In some cases, the Windows Network Diagnostic tool or the built-in troubleshooter may misdiagnose the problem due to high network congestion, slow router congestion, or <a href=\"https:\/\/www.auslogics.com\/en\/articles\/speed-up-internet\/\">poor internet connection.<\/a>\u00a0<\/div>\r\n<\/div><\/p>\n<h2 class=\"ai-optimize-39\">Fixes That Work for Both \u201cDNS Server Not Responding\u201d and \u201cDNS Server Might Be Unavailable\u201d Errors<\/h2>\n<p class=\"ai-optimize-40\">Before jumping into the fixes, it\u2019s important to understand that DNS issues don\u2019t always point to a single cause. So, these fixes are arranged from simple to more advanced because sometimes a quick restart does the trick, and other times you need to reset core network settings.<\/p>\n<p class=\"ai-optimize-41\"><div class=\"notebox\">\r\n\t<div class=\"notebox__text\">While this guide focuses on Windows 11, nearly all the steps work for and are similar to Windows 10 as well. If there\u2019s any major difference, I\u2019ll point it out. <\/div>\r\n<\/div><\/p>\n<h3 class=\"ai-optimize-42\">Preliminary checks: Test other devices and browsers<\/h3>\n<p class=\"ai-optimize-42\">Before tweaking any setting, it\u2019s smart to check if the issue is local to your PC, one browser, or one website.<\/p>\n<p class=\"ai-optimize-42\">For example, if your phone or another PC on the same Wi-Fi works fine, the issue is likely with your PC.<\/p>\n<p class=\"ai-optimize-42\">On the other hand, if Firefox and another browser can open the same website but Chrome doesn\u2019t, you have to focus on Chrome.<\/p>\n<p class=\"ai-optimize-42\">This saves you from wasting time fixing things that aren\u2019t actually broken. So:<\/p>\n<ul>\n<li class=\"ai-optimize-42\">Open a different website to confirm that your IP address is not blocked from viewing the website that returns the error, or that the website is not down.<\/li>\n<li class=\"ai-optimize-42\">Next, test the same webpages on a different browser.<\/li>\n<li class=\"ai-optimize-42\">If that fails, use another device, like your tablet or phone, connected to the same network.<\/li>\n<\/ul>\n<p class=\"ai-optimize-11\">Your results will tell you where to look based on our recommendations after the <em>nslookup<\/em> command guide.<\/p>\n<p class=\"ai-optimize-11\"><b>Test DNS with <em>nslookup<\/em> or <em>ping<\/em> commands<\/b><\/p>\n<p class=\"ai-optimize-11\">You can use the <em>nslookup<\/em> query in the Command Prompt to confirm whether your DNS server isn\u2019t responding to requests or if something else is going on.<\/p>\n<p class=\"ai-optimize-11\">These commands let you see whether the issue is with your DNS server, your internet connection, or even a specific domain. It\u2019s a fast and reliable way to narrow down the root cause without having to change settings blindly.<\/p>\n<p class=\"ai-optimize-11\">Here\u2019s how to do it:<\/p>\n<ul>\n<li class=\"ai-optimize-11\">Open the Start menu, type <em>CMD<\/em>, and click <em>Run as administrator<\/em>.<\/li>\n<li class=\"ai-optimize-49\" aria-level=\"1\">Type <i>nslookup google.com\u00a0<\/i>and hit <code>Enter<\/code>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-50\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-54.png\" alt=\"Type nslookup google.com\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-51\">If you get a non-authoritative answer, DNS is working. But if you see <i>Timed out <\/i> or <i>Server can\u2019t be found<\/i>, DNS isn\u2019t responding.<\/li>\n<\/ul>\n<p class=\"ai-optimize-52\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-55.png\" alt=\"Timed out or Server can't be found\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-53\">You can also test specific DNS servers using this command: <i> nslookup google.com 8.8.8.8.<\/i><\/li>\n<\/ul>\n<p class=\"ai-optimize-54\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-56.png\" alt=\"You can also test specific DNS servers using this command: nslookup google.com 8.8.8.8\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-55\">This checks Google\u2019s public DNS. If this works but the default one doesn\u2019t, you know your system\u2019s DNS is the problem.<\/p>\n<p class=\"ai-optimize-55\">However, if you still see <i>Timed out<\/i> even after adding Google\u2019s public DNS, then something beyond your system\u2019s DNS server is the issue. You can follow our guide on <a href=\"https:\/\/www.auslogics.com\/en\/articles\/quick-fix-why-does-my-internet-keep-going-in-and-out\/\">fixing various internet connection problems<\/a> instead.<\/p>\n<p class=\"ai-optimize-56\">You should note that there are instances where you can get a non-authoritative answer but still experience the \u201cDNS not available\u201d error. For example, if the issue is specific to your browser, Command Prompt\u2019s tests will turn out fine. The same can happen if a specific site is offline.<\/p>\n<p class=\"ai-optimize-57\">Depending on where you face the issue where your DNS server is not available or not responding, follow these steps:<\/p>\n<div class=\"wrapper-table\">\n<div class=\"wrapper-table\">\n<table>\n<tbody>\n<tr>\n<td><strong>Browser only<\/strong><\/td>\n<td><strong>PC only<\/strong><\/td>\n<td><strong>Entire network<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li class=\"ai-optimize-58\" aria-level=\"1\"><a href=\"https:\/\/www.auslogics.com\/en\/articles\/how-to-fix-dns-server-unavailable-error-in-windows-11\/#fix-1-clear-your-browser8217s-dns-cache\">Clear your browser\u2019s DNS cache<\/a><\/li>\n<li class=\"ai-optimize-59\" aria-level=\"1\"><a href=\"https:\/\/www.auslogics.com\/en\/articles\/how-to-fix-dns-server-unavailable-error-in-windows-11\/#fix-2-ensure-your-browser-is-set-to-use-your-computerrsquos-dns-server\">Ensure your browser is set to use your system\u2019s DNS server<\/a><\/li>\n<li class=\"ai-optimize-60\" aria-level=\"1\"><a href=\"https:\/\/www.auslogics.com\/en\/articles\/how-to-fix-dns-server-unavailable-error-in-windows-11\/#fix-3-clear-your-browserrsquos-cookies-cache-and-other-temporary-internet-files\">Clear cookies and browser cache<\/a><\/li>\n<\/ul>\n<\/td>\n<td>\n<ul>\n<li class=\"ai-optimize-61\" aria-level=\"1\"><a href=\"https:\/\/www.auslogics.com\/en\/articles\/how-to-fix-dns-server-unavailable-error-in-windows-11\/#fix-4-restart-your-computer-and-router\">Restart your computer<\/a><\/li>\n<li class=\"ai-optimize-62\" aria-level=\"1\"><a href=\"https:\/\/www.auslogics.com\/en\/articles\/how-to-fix-dns-server-unavailable-error-in-windows-11\/#fix-5-temporarily-disable-your-antivirus-and-firewall\">Temporarily disable your antivirus and firewall<\/a><\/li>\n<li class=\"ai-optimize-63\" aria-level=\"1\"><a href=\"https:\/\/www.auslogics.com\/en\/articles\/how-to-fix-dns-server-unavailable-error-in-windows-11\/#fix-6-turn-off-proxy-and-vpn-connections\">Check your system\u2019s VPN proxy settings<\/a><\/li>\n<li class=\"ai-optimize-64\" aria-level=\"1\"><a href=\"https:\/\/www.auslogics.com\/en\/articles\/how-to-fix-dns-server-unavailable-error-in-windows-11\/#fix-7-change-to-a-public-dns-server\">Change your system\u2019s DNS server<\/a><\/li>\n<li class=\"ai-optimize-65\" aria-level=\"1\">Reset your network settings<\/li>\n<li class=\"ai-optimize-66\" aria-level=\"1\">Use other advanced solutions<\/li>\n<\/ul>\n<\/td>\n<td>\n<ul>\n<li class=\"ai-optimize-67\" aria-level=\"1\"><a href=\"https:\/\/www.auslogics.com\/en\/articles\/how-to-fix-dns-server-unavailable-error-in-windows-11\/#fix-4-restart-your-computer-and-router\">Restart your router<\/a><\/li>\n<li class=\"ai-optimize-68\" aria-level=\"1\"><a href=\"https:\/\/www.auslogics.com\/en\/articles\/how-to-fix-dns-server-unavailable-error-in-windows-11\/#fix-2-check-your-routerrsquos-dns-settings\">Change DNS settings in your router<\/a><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h3 class=\"ai-optimize-70\">Fix 1: Clear your browser\u2019s DNS cache<\/h3>\n<p class=\"ai-optimize-71\">Browsers, especially Chrome and Edge, often store DNS information to speed up page loading. This is separate from <a href=\"https:\/\/www.auslogics.com\/en\/articles\/view-dns-cache-on-windows-10\/\">your system\u2019s DNS cache<\/a>.<\/p>\n<p class=\"ai-optimize-71\">But if this browser-level cache becomes outdated or corrupted, it can cause your browser to act as if DNS is broken, even if your system\u2019s DNS is working fine.<\/p>\n<p class=\"ai-optimize-71\">When you delete the browser DNS cache, it forces the browser to fetch fresh DNS info the next time you visit a site. This can instantly resolve issues like websites not loading or appearing offline, especially if only one browser is affected.<\/p>\n<p class=\"ai-optimize-71\">Here\u2019s how to do it on popular browsers:<\/p>\n<p class=\"ai-optimize-71\"><b>Chrome\u00a0<\/b><\/p>\n<ul>\n<li class=\"ai-optimize-72\" aria-level=\"1\">Open Chrome.<\/li>\n<li class=\"ai-optimize-73\" aria-level=\"1\">Type <i>chrome:\/\/net-internals\/#dns <\/i> into the address bar.<\/li>\n<li class=\"ai-optimize-74\" aria-level=\"1\">Click <i>Clear host cache.<\/i><\/li>\n<\/ul>\n<p class=\"ai-optimize-75\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-53.png\" alt=\"Click Clear host cache\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-76\"><b>Microsoft Edge\u00a0<\/b><\/p>\n<ul>\n<li class=\"ai-optimize-77\" aria-level=\"1\">Open Edge.<\/li>\n<li class=\"ai-optimize-78\" aria-level=\"1\">Type <i>edge:\/\/net-internals\/#dns <\/i> into the address bar.<\/li>\n<li class=\"ai-optimize-79\" aria-level=\"1\">Click <i>Clear host cache.<\/i><\/li>\n<\/ul>\n<p class=\"ai-optimize-80\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-52.png\" alt=\"Click Clear host cache\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-81\">Below are the steps to reset DNS for other popular browsers:<\/li>\n<\/ul>\n<div class=\"wrapper-table\">\n<table>\n<tbody>\n<tr>\n<th>Browser<\/th>\n<th>Steps to clear the DNS cache<\/th>\n<\/tr>\n<tr>\n<td><strong>Mozilla Firefox<\/strong><\/td>\n<td>\n<ul>\n<li class=\"ai-optimize-82\">Open Firefox.<\/li>\n<li class=\"ai-optimize-83\">Type <em>about:networking#dns<\/em> in the address bar and press <code>Enter<\/code>.<\/li>\n<li class=\"ai-optimize-84\">Click <i>Clear DNS<\/i> Cache.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><strong>Opera<\/strong><\/td>\n<td>\n<ul>\n<li class=\"ai-optimize-85\">Open Opera.<\/li>\n<li class=\"ai-optimize-86\">Type <i style=\"font-family: inherit; font-size: inherit;\">opera:\/\/net-internals\/#dns<\/i>\u00a0in the address bar and press <code>Enter<\/code>.<\/li>\n<li class=\"ai-optimize-87\">Click <i>Clear host<\/i> cache.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 class=\"ai-optimize-88\">Fix 2: Ensure your browser is set to use your system\u2019s DNS settings<\/h3>\n<p class=\"ai-optimize-89\">If the issue is limited to a specific browser, check whether it overrides your system\u2019s DNS settings to ensure it uses the same server as other browsers and applications on your computer.<\/p>\n<p class=\"ai-optimize-90\">Here are the steps for Google Chrome:<\/p>\n<ul>\n<li class=\"ai-optimize-91\">Click the menu (three dots) in the top-right corner of your browser and select <i>Settings<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-92\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-60-Chrome-click-menu-and-settings.png\" alt=\"Click the menu (three dots) in the top-left corner of your browser and select Settings\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-93\" aria-level=\"1\">Click <i>Privacy and security <\/i> in the left pane.<\/li>\n<li class=\"ai-optimize-94\" aria-level=\"1\">Select <i>Security<\/i> on the main page.<\/li>\n<\/ul>\n<p class=\"ai-optimize-95\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-61-Chrome-settings-Privacy-and-Security.png\" alt=\"Select Security on the main page\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-96\">Scroll to <i>Advanced <\/i> and choose <i>OS default (when available) <\/i> from the drop-down menu beside <i>Select DNS provider<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-97\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-62-Chrome-DNS-settings-OS-Default.png\" alt=\"Scroll to Advanced and choose OS default (when available) from the drop-down menu beside Select DNS provider\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-98\"><div class=\"notebox\">\r\n\t<div class=\"notebox__text\">Try turning off the toggle for <em>Use secure DNS<\/em> and check if the issue persists. In some cases, Chrome\u2019s secure connection may not work well with your default DNS server. If that happens, consider changing the system\u2019s DNS server (scroll down to check). <\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-99\">Here\u2019s what to do if you use other web browsers:<\/p>\n<div class=\"wrapper-table\">\n<div class=\"wrapper-table\">\n<table>\n<tbody>\n<tr>\n<th>Browser<\/th>\n<th>Method<\/th>\n<\/tr>\n<tr>\n<td><strong>Mozilla Firefox<\/strong><\/td>\n<td>Click the menu (three lines in the top-right corner) &gt; <i>Settings <\/i>&gt;\u00a0<i>DNS over HTTPS<\/i>\u00a0and choose <i>Default Protection<\/i>.<\/td>\n<\/tr>\n<tr>\n<td><strong>Microsoft Edge<\/strong><\/td>\n<td>Click the menu (three dots in the top-right corner) &gt; <i>Settings <\/i>&gt; <i>Privacy, search and services <\/i>&gt; <i>Security<\/i>\u00a0and select <i>Use current service provider<\/i>.<\/td>\n<\/tr>\n<tr>\n<td><strong>Opera<\/strong><\/td>\n<td>Type <i>opera:\/\/settings <\/i> in the address bar and hit <code>Enter<\/code>. Select <i>Browser &gt; <\/i><i>System<\/i>\u00a0and turn off the switch for <i>Use DNS-over-HTTPS instead of the system\u2019s DNS settings<\/i>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h3 class=\"ai-optimize-100\">Fix 3: Clear your browser\u2019s cookies, cache, and other temporary internet files<\/h3>\n<p class=\"ai-optimize-101\">Some files and data, such as cache and cookies, saved by your browser, can affect the specific browser\u2019s internet connection. You can follow our guide on <a href=\"https:\/\/www.auslogics.com\/en\/articles\/delete-temporary-internet-files\/\">removing temporary internet files<\/a> to delete these items and check if the issue goes away.<\/p>\n<h3 class=\"ai-optimize-102\">Fix 4: Restart your computer and router<\/h3>\n<p class=\"ai-optimize-103\">Temporary network glitches are surprisingly common. Your router or PC might hold on to a bad DNS assignment or IP configuration. A simple restart can clear cached settings and reinitialize your connection from scratch.<\/p>\n<p class=\"ai-optimize-104\">Here\u2019s what to do:<\/p>\n<ul>\n<li class=\"ai-optimize-105\" aria-level=\"1\">Shut down your computer completely. Don\u2019t just restart. Go for a full shutdown.<\/li>\n<li class=\"ai-optimize-106\" aria-level=\"1\">Unplug your router and modem from power.<\/li>\n<li class=\"ai-optimize-107\" aria-level=\"1\">Wait 30 seconds, then plug them back in.<\/li>\n<li class=\"ai-optimize-108\" aria-level=\"1\">Power on your PC and check if the error is gone.<\/li>\n<\/ul>\n<p class=\"ai-optimize-109\">If nothing happens, go to the next fix.<\/p>\n<h3 class=\"ai-optimize-110\">Fix 5: Temporarily disable your antivirus and firewall<\/h3>\n<p class=\"ai-optimize-111\">Sometimes your security software gets a little too protective and blocks legitimate network traffic, including DNS lookups. Temporarily disabling your antivirus or firewall can help you test whether it\u2019s interfering with DNS resolution.<\/p>\n<p class=\"ai-optimize-112\">If it is, you can adjust the settings without removing the protection altogether.<\/p>\n<p class=\"ai-optimize-113\">Here\u2019s how it\u2019s done:<\/p>\n<ul>\n<li class=\"ai-optimize-114\">Open <i>Windows Security <\/i> by searching for it in the Start menu.<\/li>\n<\/ul>\n<p class=\"ai-optimize-115\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-1-5.png\" alt=\"Open Windows Security by searching it in Start\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-116\" aria-level=\"1\">Go to <i>Firewall &amp; network protection<\/i>.<\/li>\n<li class=\"ai-optimize-117\" aria-level=\"1\">Click on the active network.<\/li>\n<\/ul>\n<p class=\"ai-optimize-118\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-2-7.png\" alt=\"Click on the active network\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-119\">Toggle <i>Microsoft Defender Firewall <\/i> to <i>Off<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-120\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-3-5.png\" alt=\"Toggle Microsoft Defender Firewall to Off\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-121\">If you have third-party antivirus software, open it and disable the firewall or internet protection temporarily.<\/li>\n<\/ul>\n<p class=\"ai-optimize-122\"><div class=\"notebox\">\r\n\t<div class=\"notebox__heading\">Warning!<\/div>\r\n\t<div class=\"notebox__text\">Don\u2019t keep your firewall or antivirus off for long. If disabling it fixes the DNS problem, configure it properly or consider switching tools. <\/div>\r\n<\/div>\r\n<\/p>\n<h3 class=\"ai-optimize-123\">Fix 6: Turn off proxy and VPN connections<\/h3>\n<p class=\"ai-optimize-124\"><a href=\"https:\/\/www.auslogics.com\/en\/articles\/why-do-you-need-a-vpn-for-gaming\/\">VPNs<\/a> and proxies reroute your internet traffic, and if they\u2019re misconfigured or slow, they can prevent your computer from properly reaching DNS servers. When you disable these connections, it\u2019ll temporarily allow your PC to connect directly and rule out any rerouting problems that might be triggering the \u201cDNS server unavailable\u201d error. Here are the steps to disable VPN and proxies:<\/p>\n<ul>\n<li class=\"ai-optimize-126\">Open Settings, go to <i>Network &amp; internet, <\/i> and select <i>Proxy<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-127\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-4-6.png\" alt=\"Open Settings, go to Network &amp; internet, and select Proxy\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-128\">Under <i>Manual<\/i> <em>proxy setup<\/em>, toggle <i>Use a proxy server <\/i> to <i>Off<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-6\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-5-4.png\" alt=\"Under Manual proxy setup, toggle Use a proxy server to Off\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-7\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-6-5.png\" alt=\"Under Manual proxy setup, toggle Use a proxy server to Off\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-8\">Go back and click VPN, then disconnect any active VPNs or turn off any VPNs currently enabled.<\/li>\n<\/ul>\n<p class=\"ai-optimize-9\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-7-5.png\" alt=\"Go back and click VPN, then disconnect any active VPNs or turn off any VPNs currently enabled\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<h3 class=\"ai-optimize-10\">Fix 7: Change to a public DNS server<\/h3>\n<p class=\"ai-optimize-11\">If a website can\u2019t reach the DNS server assigned by your internet service provider, you\u2019ll see errors like \u201cDNS address could not be found.\u201d<\/p>\n<p class=\"ai-optimize-12\">Try switching to a trusted public DNS like Google or Cloudflare to immediately fix the problem by giving your PC a faster, more reliable DNS path. Follow the steps below:<\/p>\n<ul>\n<li class=\"ai-optimize-13\">Press <code>Win + R<\/code>on your keyboard to open the Run dialog, type <i>ncpa.cpl <\/i> and hit <code>Enter<\/code>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-14\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-7-5-1.png\" alt=\"Press Win + R on your keyboard to open the Run dialog, type ncpa.cpl and hit Enter\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-15\">Find your active connection, right-click on it, and select <i>Properties<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-16\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-8-6.png\" alt=\"Find your active connection, right-click on it, and select Properties\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-17\">Scroll down and select <i>Internet Protocol Version 4 (TCP\/IPv4)<\/i>, then click <i>Properties<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-18\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-9-5.png\" alt=\"Scroll down and select Internet Protocol Version 4 (TCP\/IPv4), then click Properties\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-19\" aria-level=\"1\">Choose <em>Use the following DNS server addresses<\/em>, and enter Google server addresses:\n<ul>\n<li class=\"ai-optimize-20\" aria-level=\"2\">Preferred DNS server: <em>8.8.8.8<\/em><\/li>\n<li class=\"ai-optimize-21\" aria-level=\"2\">Alternate DNS server: <em>8.8.4.4<\/em><\/li>\n<\/ul>\n<\/li>\n<li class=\"ai-optimize-6\">Alternatively, use Cloudflare servers:\n<ul>\n<li class=\"ai-optimize-6\">Preferred DNS server: <em>1.1.1.1<\/em><\/li>\n<li class=\"ai-optimize-6\">Alternate DNS server: <em>1.0.0.1<\/em><\/li>\n<\/ul>\n<\/li>\n<li class=\"ai-optimize-23\">Click <i>OK <\/i>to save the changes.<\/li>\n<\/ul>\n<p class=\"ai-optimize-24\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-10-5.png\" alt=\"Click OK to save the changes\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-25\">You can now check if websites load normally.<\/li>\n<\/ul>\n<h2 class=\"ai-optimize-26\">Advanced Fixes for the \u201cYour DNS Server Might Be Unavailable\u201d Error on Windows 10\/11<\/h2>\n<p class=\"ai-optimize-27\">The methods below take you to more advanced areas of your computer and browser to tackle the \u201cDNS server not available\u201d error. Apply them if you have not yet fixed the problem. Despite their relative difficulty, I\u2019ve broken down each method into easy-to-follow steps.<\/p>\n<h3 class=\"ai-optimize-28\">Fix 1: Run DNS reset commands in CMD<\/h3>\n<p class=\"ai-optimize-29\">If your PC\u2019s networking stack is misbehaving, sometimes the only fix is a full reset. These CMD commands clear out DNS cache, release and renew your IP address, and reset critical network components.<\/p>\n<p class=\"ai-optimize-30\">It\u2019s like hitting the \u201cfactory reset\u201d button for your network settings. It\u2019s highly effective for persistent DNS unavailable errors.<\/p>\n<p class=\"ai-optimize-31\">First, let\u2019s start with the easier method through the Settings app.<\/p>\n<ul>\n<li class=\"ai-optimize-6\">Go to Settings by pressing <code>Windows + I<\/code> and select <i>Network &amp; internet.<\/i><\/li>\n<li class=\"ai-optimize-33\" aria-level=\"1\">Then, scroll down and click <i>Advanced network settings.<\/i><\/li>\n<\/ul>\n<p class=\"ai-optimize-34\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-22-1.png\" alt=\"scroll down and click Advanced network settings\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-35\">Under <em>More settings<\/em>, choose <em>Network reset<\/em>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-36\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-23-1.png\" alt=\"Under More settings, choose Network reset\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-37\">Click <em>Reset now<\/em> and confirm.<\/li>\n<\/ul>\n<p class=\"ai-optimize-38\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-24-1.png\" alt=\"Click Reset now and confirm\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-39\"><div class=\"notebox\">\r\n\t<div class=\"notebox__text\">These steps are similar to Windows 10. Just go to <i>Settings &gt; Network &amp; Internet &gt; Status &gt; Network reset &gt; Reset now<\/i>. This fix will remove all saved Wi-Fi networks, VPNs, and custom network setups. Have your Wi-Fi password ready before doing this. <\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-40\">If going through the Settings app does not resolve the problem, here\u2019s how to use the Command Prompt:<\/p>\n<ul>\n<li class=\"ai-optimize-41\">Press <code>Windows + S<\/code>, search for <em>Command Prompt<\/em>, and select <em>Run as administrator<\/em>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-42\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-16-4.png\" alt=\"Press Windows + S, search Command Prompt, and select Run as administrator\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-43\" aria-level=\"1\">Type these commands one by one, pressing <code>Enter<\/code><i>\u00a0<\/i>after each:<\/li>\n<\/ul>\n<pre class=\"ai-optimize-47\" style=\"padding-left: 40px;\">ipconfig \/flushdns<\/pre>\n<p class=\"ai-optimize-45\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-17-2.png\" alt=\"Enter this command: ipconfig \/flushdns\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<pre class=\"ai-optimize-46\" style=\"padding-left: 40px;\">ipconfig \/release<\/pre>\n<p class=\"ai-optimize-6\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-18-2.png\" alt=\"Enter the following command: ipconfig \/release\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<pre class=\"ai-optimize-7\" style=\"padding-left: 40px;\">ipconfig \/renew<\/pre>\n<p class=\"ai-optimize-8\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-19-1.png\" alt=\"Enter the following command: ipconfig \/renew\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<pre class=\"ai-optimize-9\" style=\"padding-left: 40px;\">netsh int ip reset<\/pre>\n<p class=\"ai-optimize-10\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-20-1.png\" alt=\"Enter the following command: netsh int ip reset\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<pre class=\"ai-optimize-11\" style=\"padding-left: 40px;\">netsh winsock reset<\/pre>\n<p class=\"ai-optimize-12\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-21-1.png\" alt=\"Enter the following command netsh winsock reset\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-13\">Restart your PC afterward and check if the DNS error has been fixed.<\/p>\n<h3 class=\"ai-optimize-14\">Fix 2: Check your router\u2019s DNS settings<\/h3>\n<p class=\"ai-optimize-15\">Your computer often gets its DNS server settings from the router. If the router is set up to use an unreliable or outdated DNS, your system won\u2019t be able to load websites. You can resolve the problem by entering the router\u2019s settings and changing its server.<\/p>\n<p class=\"ai-optimize-16\">Follow the steps below:<\/p>\n<ul>\n<li class=\"ai-optimize-17\">Open a browser and enter your router\u2019s IP address (usually, it\u2019s <em>192.168.0.1<\/em> or <em>192.168.1.1<\/em>). You can find this info on the router label or the manufacturer\u2019s website.<\/li>\n<li class=\"ai-optimize-18\">Enter the admin username and password. This is usually <em>admin<\/em> and <em>admin<\/em> unless changed.<\/li>\n<li class=\"ai-optimize-19\">Look under sections like <em>Internet Settings<\/em>, <em>WAN<\/em>, or <em>Network Settings<\/em>.<\/li>\n<li class=\"ai-optimize-20\">You\u2019ll see <em>Primary DNS<\/em> and <em>Secondary DNS<\/em> fields. In some cases, you only have to click the <em>DNS<\/em> option.<\/li>\n<li class=\"ai-optimize-21\">Change the DNS servers using the below information:\n<ul>\n<li class=\"ai-optimize-22\">Use Google DNS: <em>8.8.8.8<\/em> and <em>8.8.4.4<\/em><\/li>\n<li class=\"ai-optimize-23\">Alternatively, use Cloudflare DNS: <em>1.1.1.1<\/em> and <em>1.0.0.1<\/em><\/li>\n<\/ul>\n<\/li>\n<li class=\"ai-optimize-24\" aria-level=\"1\">Save settings and reboot the router.<\/li>\n<\/ul>\n<h3 class=\"ai-optimize-25\">Fix 3: Uninstall recent Windows updates<\/h3>\n<p class=\"ai-optimize-26\">While rare, your DNS server might be unavailable on Windows 11 or 10 because of a Windows update that caused unexpected network issues. If you started noticing the problem right after an update, it\u2019s worth rolling back or uninstalling the most recent one.<\/p>\n<p class=\"ai-optimize-27\"><div class=\"notebox\">\r\n\t<div class=\"notebox__text\">For example, this <a href=\"https:\/\/www.reddit.com\/r\/WindowsHelp\/comments\/1f5zy44\/windows_update_broke_my_internet_system_restore\/\">Reddit user (AEIUyo)<\/a> reported that they could no longer browse the Internet after installing updates with KB numbers KB5042097 and KB5041580. Rolling back these updates resolved the problem.<\/p>\n<p class=\"ai-optimize-6\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-2025-06-02-at-6.14.09\u202fPM.png\" alt=\"A Reddit user (AEIUyo) reported that they could no longer browse the Internet after installing updates with KB numbers, KB5042097 and KB5041580\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-7\">You can run a system restore just like the user did to roll back an update. Just choose a restore point that immediately predates the update. However, note that other programs you installed after the restore point will be affected. That is why it is better to uninstall the specific update. [\/sc]<\/p>\n<p class=\"ai-optimize-8\">Here\u2019s how:<\/p>\n<ul>\n<li class=\"ai-optimize-9\">Go to Settings and click <i>Windows Update. <\/i>If you\u2019re running Windows 10, select <i>Update &amp; Security<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-10\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-25.png\" alt=\"Go to Settings and click Windows Update\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-11\">Click <em>Update history<\/em>. Select <em>View update history<\/em> if you\u2019re running Windows 10.<\/li>\n<\/ul>\n<p class=\"ai-optimize-12\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-26.png\" alt=\"Click Update history\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-13\">Click <em>Uninstall updates<\/em> under <em>Related settings<\/em>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-14\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-27.png\" alt=\"Click Uninstall updates (under Related settings in Windows 11)\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-15\">Select the most recent update and click <i>Uninstall<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-16\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-28.png\" alt=\"Select the most recent update under Microsoft Windows and click Uninstall\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-17\">Don\u2019t worry if you see the message, <em>\u201cYou won\u2019t be able to uninstall some updates. Uninstalling updates may put your PC at risk.\u201d <\/em>If you can\u2019t delete a particular update, look up its update number online to see if others have found a workaround.<\/p>\n<p class=\"ai-optimize-18\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-29.png\" alt=\"If you see the message \u201cYou won't be able to uninstall some updates. Uninstalling updates may put your PC at risk. Learn more.\u201d Don\u2019t worry\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-19\"><div class=\"tipsbox\">\r\n\t<div class=\"tipsbox__heading\">\r\n\t\t<div class=\"tipsbox__arrow-right\"><\/div>\r\n\t\t<div class=\"tipsbox__shield\">PRO TIP<\/div>\r\n\t\t<div class=\"tipsbox__arrow-left\"><\/div>\r\n\t<\/div>\r\n\t<div class=\"tipsbox__text\">If you want to really know if a Windows update is causing problems, find its update number (like <em>KB5028254<\/em>) in your update history. Then, type that number into a search engine along with keywords like <em>issues<\/em> or <em>problems<\/em>\u00a0to see if others have reported similar troubles. If many people are experiencing the same issue, rolling back the update might be a good idea. <\/div>\r\n<\/div>\r\n<\/p>\n<h3 class=\"ai-optimize-20\">Fix 4: Temporarily disable IPv6<\/h3>\n<p class=\"ai-optimize-21\">Some routers, particularly older or budget models, don\u2019t fully support IPv6, even though Windows tries to use it by default. This mismatch can make the DNS server unavailable.<\/p>\n<p class=\"ai-optimize-22\">Here are the steps:<\/p>\n<ul>\n<li class=\"ai-optimize-23\">Press <code>Windows + R<\/code>, type <i>ncpa.cpl<\/i>, and press <code>Enter<\/code>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-24\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-30.png\" alt=\"Press Windows + R, type ncpa.cpl, and press Enter\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-25\">Right-click your active network adapter and select <i>Properties<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-26\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-31.png\" alt=\"Right-click your active network adapter and select Properties\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-27\">Uncheck <i>Internet Protocol Version 6 (TCP\/IPv6)<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-28\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2023\/08\/Screenshot-32.png\" alt=\"Uncheck Internet Protocol Version 6 (TCP\/IPv6)\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-29\">Click <em>OK<\/em>, then restart your PC.<\/li>\n<\/ul>\n<p class=\"ai-optimize-30\">If this doesn\u2019t resolve your issue, you can always re-enable IPv6 later.<\/p>\n<h3 class=\"ai-optimize-31\">Fix 5: Review modified registry or Group Policy settings<\/h3>\n<p class=\"ai-optimize-32\">If you\u2019ve tweaked DNS or network behavior via <a href=\"https:\/\/www.auslogics.com\/en\/articles\/how-to-manage-the-group-policy-on-windows-10-8-and-8-1\/\">Group Policy<\/a>\u00a0or the <a href=\"https:\/\/www.auslogics.com\/en\/articles\/what-is-windows-registry-and-how-to-use-it-the-right-way-all-you-need-to-know\/\">Windows registry<\/a> in the past, for example, to optimize speed or apply custom DNS rules, these settings might be backfiring now. Conflicting or overly restrictive settings can stop your system from reaching out to DNS servers the right way. The best way is to reset those areas to default and restore functionality. Here\u2019s how to go about it:<\/p>\n<p class=\"ai-optimize-33\"><div class=\"notebox\">\r\n\t<div class=\"notebox__text\">If you\u2019ve never touched the registry or Group Policy, you can skip this method entirely. But if you\u2019ve followed tweaks from online guides or used system optimizers, it\u2019s a good idea to check. <\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-6\">Press <code>Windows + R<\/code>, type <i>regedit<\/i>, and hit <code>Enter<\/code> to launch the Registry Editor.<\/li>\n<\/ul>\n<p class=\"ai-optimize-8\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-33.png\" alt=\"Press Windows + R, type regedit, and hit Enter\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-33\"><a href=\"https:\/\/www.auslogics.com\/en\/articles\/how-to-back-up-and-restore-the-windows-10-registry\/\">Back up your registry<\/a> before proceeding (yes, it\u2019s really important). Go to <em>File<\/em>, select <em>Export<\/em>, and choose your preferred destination. Make sure <em>All<\/em> is selected under <em>Export range<\/em>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-6\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-37.png\" alt=\"Go to File, select Export, and choose your preferred destination\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-9\">Navigate to: <em>HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters<\/em><\/li>\n<\/ul>\n<p class=\"ai-optimize-10\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-34.png\" alt=\"Navigate to: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParameters\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-11\">Look for the <i>NameServer <\/i>and <i>DhcpNameServer<\/i> entries.<\/li>\n<\/ul>\n<p class=\"ai-optimize-12\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-35.png\" alt=\"Look for any entries like NameServer or DhcpNameServer\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-13\"><div class=\"notebox\">\r\n\t<div class=\"notebox__text\"><\/p>\n<p class=\"ai-optimize-14\"><b>NameServer<\/b> stores DNS server addresses that are set manually. If a value is present, Windows will use it instead of any DNS settings provided by DHCP.<\/p>\n<p class=\"ai-optimize-15\"><b>DhcpNameServer<\/b>, on the other hand, holds DNS server addresses assigned by a DHCP server. If a device is set to obtain DNS automatically, this entry will contain the assigned DNS servers. <\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-16\" aria-level=\"1\">To restore default DNS behavior:\n<ul>\n<li class=\"ai-optimize-17\" aria-level=\"2\">Delete <em>NameServer<\/em> by right-clicking the entry and selecting <em>Delete<\/em> to force Windows to stop using manually specified DNS servers.<\/li>\n<li class=\"ai-optimize-18\" aria-level=\"2\">Leave <em>DhcpNameServer<\/em> as is.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p class=\"ai-optimize-19\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-36.png\" alt=\"Right-click and delete custom values, or set them to default: NameServer: remove it DhcpNameServer: leave it\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-8\">Restart your PC for the changes to take effect.<\/li>\n<\/ul>\n<p class=\"ai-optimize-20\"><b>If you\u2019ve edited Group Policy:<\/b><\/p>\n<ul>\n<li class=\"ai-optimize-9\">Press <code>Windows + R<\/code>, type <i>gpedit.msc<\/i>, and press <code>Enter<\/code> to open the Local Group Policy Editor.<\/li>\n<\/ul>\n<p class=\"ai-optimize-22\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-38.png\" alt=\"Press Windows + R, type gpedit.msc, and press Enter\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-23\">Navigate to: <em>Computer Configuration &gt; Administrative Templates &gt; Network &gt; DNS Client.<\/em><\/li>\n<li class=\"ai-optimize-25\">Search for all DNS-related settings, like <em>DNS servers<\/em> or <em>DNS suffix<\/em> <i>search list, <\/i> right-click each, and select <i>Edit<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-26\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-40.png\" alt=\"Search for all DNS-related settings, like DNS Suffix Search List, right-click, and select Edit\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-27\">Set it to <em>Not Configured<\/em> and click <em>OK<\/em>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-28\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-41.png\" alt=\"Set it to Not Configured and click OK\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-10\">Restart your PC for the changes to take effect.<\/li>\n<\/ul>\n<p class=\"ai-optimize-29\"><div class=\"notebox\">\r\n\t<div class=\"notebox__text\">Since the Local Group Policy Editor is only available on Windows Pro, Enterprise, and Education editions, users on Windows Home won\u2019t have access to these options. If you\u2019re one of them, move to the next solution. <\/div>\r\n<\/div><\/p>\n<h3 class=\"ai-optimize-30\">Fix 6: Restart the DNS Client service<\/h3>\n<p class=\"ai-optimize-31\">Windows runs a background service called <em>DNS Client<\/em> to manage and cache domain name lookups. If this service stalls or becomes unresponsive, it can stop DNS from working entirely.<\/p>\n<p class=\"ai-optimize-32\">Restarting it can force a refresh, which can correct any stubborn DNS issues without deeper changes. Here\u2019s how to do it:<\/p>\n<ul>\n<li class=\"ai-optimize-18\">Press <code>Windows + R<\/code>, type <i>services.msc<\/i>, and hit <code>Enter<\/code> to open Windows Services.<\/li>\n<\/ul>\n<p class=\"ai-optimize-34\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-11-5.png\" alt=\"Press Windows + R, type services.msc, and hit Enter\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-35\">Scroll down to <em>DNS Client<\/em>, right-click it, and select <i>Restart<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-36\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-12-4.png\" alt=\"Scroll down to DNS Client, right-click and select Restart\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-37\">If <em>Restart<\/em> is grayed out like in the screenshot above, do this:<\/p>\n<ul>\n<li class=\"ai-optimize-38\">Open the <a href=\"https:\/\/www.auslogics.com\/en\/articles\/windows-command-prompt-28-most-useful-cmd-commands-with-examples\/\">Command Prompt<\/a> as an administrator.<\/li>\n<\/ul>\n<p class=\"ai-optimize-39\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-13-4.png\" alt=\"Open Command Prompt as admin\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-40\" aria-level=\"1\">Run the following commands one by one, pressing <code>Enter<\/code> after each:<\/li>\n<\/ul>\n<pre class=\"ai-optimize-41\" style=\"padding-left: 40px;\">net stop dnscache<\/pre>\n<p class=\"ai-optimize-6\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-14-4.png\" alt=\"Enter the command: net stop dnscache\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<pre class=\"ai-optimize-7\" style=\"padding-left: 40px;\">net start dnscache<\/pre>\n<p class=\"ai-optimize-8\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-15-4.png\" alt=\"Enter the command net start dnscache\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<h3 class=\"ai-optimize-9\">Fix 7: Boot into Safe Mode with Networking<\/h3>\n<p class=\"ai-optimize-10\"><a href=\"https:\/\/www.auslogics.com\/en\/articles\/add-safe-mode-to-boot-menu-win-10\/\">Safe Mode<\/a> is a stripped-down version of Windows that loads only the essential drivers and services. When you boot into Safe Mode with Networking, it enables basic network functions while keeping everything else turned off.<\/p>\n<p class=\"ai-optimize-10\">How does this help? It allows you to test whether third-party applications, like firewalls, antivirus tools, VPNs, or even misconfigured drivers, are blocking your DNS traffic.<\/p>\n<p class=\"ai-optimize-10\">However, since you\u2019ve applied these fixes, Safe Mode may point to an application conflict: something you installed is interfering with DNS resolution under normal conditions. I\u2019ll show you what to do after you confirm. Let\u2019s go into the steps:<\/p>\n<ul>\n<li class=\"ai-optimize-11\">Open the Settings app, go to <i>System<\/i>, and select <i>Recovery<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-12\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-42.png\" alt=\"Open the Settings app, go to System and select Recovery\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-13\">Click <i>Restart now <\/i>beside <i>Advanced startup <\/i> under <i>Recovery options.<\/i><\/li>\n<\/ul>\n<p class=\"ai-optimize-14\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-43.png\" alt=\"Click Restart now beside Advanced startup under Recovery options\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-15\">A prompt will display telling you to save your work before continuing. After that, click <i>Restart now. <\/i><\/li>\n<\/ul>\n<p class=\"ai-optimize-16\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-44.png\" alt=\"A prompt will display telling you to save up your work before continuing. After that, click Restart now\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-17\">On the blue screen that appears, choose <i>Troubleshoot. <\/i><\/li>\n<\/ul>\n<p class=\"ai-optimize-18\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-45.png\" alt=\"On the blue screen that appears, choose Troubleshoot\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-19\">Go to <em>Advanced options<\/em>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-20\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-46.png\" alt=\"Go to Advanced options\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-21\">Then, select <i>Startup Settings. <\/i><\/li>\n<\/ul>\n<p class=\"ai-optimize-22\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-47.png\" alt=\"Select Startup Settings\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-23\">For the last step, click <i>Restart<\/i>.<\/li>\n<\/ul>\n<p class=\"ai-optimize-24\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-48.png\" alt=\"Click Restart\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-25\">When Windows restarts, different boot options will display. Choose <i>Enable Safe Mode with Networking <\/i> or just press <code>5<\/code><i>\u00a0<\/i>or <code>F5<\/code><i>\u00a0<\/i>on your keyboard<i>. <\/i><\/li>\n<\/ul>\n<p class=\"ai-optimize-26\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-49.png\" alt=\"Choose Enable Safe Mode with Networking\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-27\">Windows will restart and boot directly into Safe Mode with Networking. Open a browser and visit a website to check if DNS is working. If your internet works in Safe Mode but not in normal mode, a third-party program might be interfering.<\/p>\n<p class=\"ai-optimize-28\">If that\u2019s the case for you, go through these steps:<\/p>\n<ul>\n<li class=\"ai-optimize-11\">Open Task Manager (<code>Ctrl + Shift + Esc<\/code>), go to the <i>Startup apps <\/i>tab, and disable unnecessary apps that might affect networking.<\/li>\n<\/ul>\n<p class=\"ai-optimize-30\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-50.png\" alt=\"Disable unnecessary apps that might affect networking\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-31\">If it doesn\u2019t help, check for driver issues. To do that, open Device Manager, expand <i>Network adapters<\/i>, and ensure no drivers are showing errors.<\/li>\n<\/ul>\n<p class=\"ai-optimize-32\"><div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2025\/06\/Screenshot-51.png\" alt=\"Expand Network Adapters\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div><\/p>\n<ul>\n<li class=\"ai-optimize-33\">If the DNS server still isn\u2019t responding, <a href=\"https:\/\/www.auslogics.com\/en\/articles\/how-to-uninstall-programs-in-windows-10\/\">delete any apps you recently installed<\/a>.<\/li>\n<\/ul>\n<h2 class=\"ai-optimize-34\">DNS Server Not Responding or Unavailable: Manufacturer- and Expert-Recommended Fixes<\/h2>\n<p class=\"ai-optimize-35\">Below is a list of extra steps that have been shared by tech experts, computer makers, and community users. These are known to work in specific situations or with specific models:<\/p>\n<div class=\"wrapper-table\">\n<table>\n<tbody>\n<tr>\n<th>Brand<\/th>\n<th>Fix recommended by experts or manufacturer support<\/th>\n<\/tr>\n<tr>\n<td>Dell<\/td>\n<td>\n<ul>\n<li class=\"ai-optimize-36\">Disable <a href=\"https:\/\/www.dell.com\/support\/home\/en-us\/drivers\/driversdetails?driverid=dhtp3\"><b>SmartByte<\/b><\/a>, Dell\u2019s bandwidth management tool, which can throttle or misroute DNS traffic<\/li>\n<li class=\"ai-optimize-37\">Use <b>Dell SupportAssist<\/b> to auto-update all network drivers<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td>HP<\/td>\n<td>\n<ul>\n<li class=\"ai-optimize-38\">Run <b>Network Reset<\/b> in <a href=\"https:\/\/support.hp.com\/us-en\/help\/hp-support-assistant\"><b>HP Support Assistant<\/b><\/a> to rebuild the network stack<\/li>\n<li class=\"ai-optimize-39\">Set a <b>manual public DNS<\/b> (e.g., Google DNS) if auto DNS fails<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td>ASUS<\/td>\n<td>\n<ul>\n<li class=\"ai-optimize-40\">Update <b>router firmware<\/b>, especially on ASUS routers, as outdated firmware can cause DNS loops<\/li>\n<li class=\"ai-optimize-41\">In router settings, tweak <a href=\"https:\/\/www.asus.com\/support\/faq\/1010935\/\"><b>Adaptive QoS<\/b><\/a> to deprioritize services conflicting with DNS<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td>Lenovo<\/td>\n<td>\n<ul>\n<li class=\"ai-optimize-42\">Use <a href=\"https:\/\/www.lenovo.com\/us\/en\/software\/vantage\/?srsltid=AfmBOorpxXD16moBUq3QuqIPUaqWf-pEdgXxVRUwnewxbo34o67KBZFU\"><b>Lenovo Vantage<\/b><\/a> to reset and reinstall network adapters<\/li>\n<li class=\"ai-optimize-43\">Disable <b>Hybrid Sleep Mode<\/b> in the BIOS to avoid DNS conflicts after sleep\/wake<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td>Acer<\/td>\n<td>\n<ul>\n<li class=\"ai-optimize-44\">Use <a href=\"https:\/\/community.acer.com\/en\/kb\/articles\/76-acer-care-center-can-be-downloaded-from-the-acer-support-website\"><b>Acer Care Center<\/b><\/a> to update or reinstall drivers<\/li>\n<li class=\"ai-optimize-45\"><b>Disable IPv6<\/b>, especially on older models that struggle with IPv6-to-DNS translation<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td>MSI<\/td>\n<td>\n<ul>\n<li class=\"ai-optimize-46\">Uninstall or disable <a href=\"https:\/\/www.msi.com\/faq\/faq-3639\"><b>Killer Control Center<\/b><\/a>, known to block DNS traffic<\/li>\n<li class=\"ai-optimize-47\">Re-enable the <b>DNS Client<\/b> service in Windows Services (<em>services.msc<\/em>)<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td>Microsoft Surface<\/td>\n<td>\n<ul>\n<li class=\"ai-optimize-48\">Run <a href=\"https:\/\/apps.microsoft.com\/detail\/9nf1mr6c60zf?hl=en-US&amp;gl=US\"><b>Surface Diagnostic Toolkit<\/b><\/a> to check firmware and driver issues<\/li>\n<li class=\"ai-optimize-49\">In Device Manager, disable <em>Allow this device to be turned off to save power<\/em> under Wi-Fi adapter properties, as this setting can disrupt DNS after sleep<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td>Generic\/custom PC<\/td>\n<td>\n<ul>\n<li class=\"ai-optimize-50\">Go to your <b>motherboard manufacturer\u2019s site<\/b> (ASUS, Gigabyte, etc.) to get the latest <b>LAN drivers<\/b><\/li>\n<li class=\"ai-optimize-51\">Manually switch to <b>Google (8.8.8.8)<\/b> or <b>Cloudflare (1.1.1.1)<\/b> DNS servers<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 class=\"ai-optimize-52\">DNS Server Not Responding? Fixed!<\/h2>\n<p class=\"ai-optimize-53\">DNS problems can be frustrating, but now you\u2019ve got both the general fixes and manufacturer-specific DNS solutions at your fingertips. Whether your issue lies in your computer\u2019s network settings, browser, or router, you now have a detailed roadmap to follow.<\/p>\n<p class=\"ai-optimize-54\">Remember: if one method doesn\u2019t work, don\u2019t be discouraged. DNS issues are layered; the solution might be the next step you try. If you\u2019ve found this article helpful, share it with your friends and comment below which ones helped you!<\/p>\n<h2 class=\"ai-optimize-55\">FAQ<\/h2>\n<p class=\"ai-optimize-6\"><div class=\"best-faq\">\r\n\t<div class=\"best-faq__header\">Is it safe to reset DNS?<\/div>\r\n\t<div class=\"best-faq__content\">\r\n\t\t Yes, it\u2019s safe. Resetting DNS settings (e.g., using <em>ipconfig \/flushdns<\/em> or network reset tools) just clears out corrupted or outdated data and restores defaults.\r\n\t\t\r\n\t<\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-7\"><div class=\"best-faq\">\r\n\t<div class=\"best-faq__header\">Can DNS problems come from malware?<\/div>\r\n\t<div class=\"best-faq__content\">\r\n\t\tAbsolutely. Some malware redirects DNS to malicious servers. That\u2019s why running a full malware scan is a smart part of DNS troubleshooting.\r\n\t\t\r\n\t<\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-8\"><div class=\"best-faq\">\r\n\t<div class=\"best-faq__header\">How do I know if my DNS is bad?<\/div>\r\n\t<div class=\"best-faq__content\">\r\n\t\t If web pages aren\u2019t loading but your Wi-Fi is connected, or you can only visit websites by IP (not by name), your DNS server might be the issue.\r\n\t\t\r\n\t<\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-9\"><div class=\"best-faq\">\r\n\t<div class=\"best-faq__header\">How do I check if my DNS server is really down?<\/div>\r\n\t<div class=\"best-faq__content\">\r\n\t\t Use the Command Prompt with <em>nslookup google.com<\/em>. If it fails or times out, your DNS server is likely unresponsive. You can also try <em>ping<\/em> commands to test specific DNS addresses.\r\n\t\t\r\n\t<\/div>\r\n<\/div><\/p>\n<p class=\"ai-optimize-10\"><div class=\"best-faq\">\r\n\t<div class=\"best-faq__header\">Is it safe to use public DNS servers like Google or Cloudflare?<\/div>\r\n\t<div class=\"best-faq__content\">\r\n\t\t Yes, both are widely used and very reliable. In fact, many users switch to them to solve DNS issues caused by their ISP.\r\n\t\t\r\n\t<\/div>\r\n<\/div><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u201cDNS server not responding\u201d and \u201cyour DNS server might be unavailable\u201d are two similar, frustrating errors that usually mean your PC can\u2019t connect to a DNS server. We\u2019ll show you what they mean, what causes them, and how to fix them quickly in this guide. Keep reading!<\/p>\n","protected":false},"author":71,"featured_media":77935,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[827,811],"tags":[1039,719,109,121],"class_list":["post-27401","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-internet","category-optimization","tag-dns","tag-errors","tag-pc-performance","tag-vpn"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u201cYour DNS Server Might Be Unavailable\u201d Error On Windows 11 &#8212; Auslogics Blog | Tips to Diagnose &amp; Resolve Computer Issues<\/title>\n<meta name=\"description\" content=\"Struggling with the \u201cYour DNS Server Might Be Unavailable\u201d error on Windows 11? 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