{"id":465,"date":"2023-06-12T18:00:48","date_gmt":"2023-06-12T18:00:48","guid":{"rendered":"https:\/\/test.auslogics.com\/en\/articles\/?p=465"},"modified":"2025-10-17T14:54:29","modified_gmt":"2025-10-17T14:54:29","slug":"check-bios-manage-fixed","status":"publish","type":"post","link":"https:\/\/www.auslogics.com\/en\/articles\/check-bios-manage-fixed\/","title":{"rendered":"What Is BIOS on a Computer: Everything You Need to Know"},"content":{"rendered":"<p>The Basic Input\/Output System (BIOS) is a fundamental component of a computer that plays a crucial role in its operation. Think of it as a bridge between the hardware components and the operating system.<\/p>\n<p>BIOS provides essential instructions and settings for the computer to start up and function properly. Still asking \u201cWhat is BIOS on a computer?\u201d<\/p>\n<p>Let\u2019s take a deeper look.<\/p>\n<p><strong>Here are 6 BIOS-related questions that are well worth asking:<\/strong><\/p>\n<ul>\n<li>&#8216;What is BIOS on a computer?\u2019<\/li>\n<li>\u2018How to Check BIOS version in Windows 10?\u2019<\/li>\n<li>\u2018How to enter BIOS?\u2019<\/li>\n<li>\u2018How to change BIOS settings in Windows 10?\u2019<\/li>\n<li>\u2018How to update BIOS in Windows 10?\u2019<\/li>\n<li>\u2018How to reset BIOS to its default settings?\u2019<\/li>\n<\/ul>\n<h2>What Is BIOS on a Computer?<\/h2>\n<p>BIOS stands for <a href=\"https:\/\/www.lifewire.com\/bios-basic-input-output-system-2625820\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">Basic Input\/Output System<\/a><\/p>\n<p>. It resides on a chip on your computer\u2019s motherboard and helps your PC operate. BIOS loads your OS, maintains your hardware, and allows you to control the low-level functions of your computer.<\/p>\n<p>Thus, if you want to:<\/p>\n<ul>\n<li aria-level=\"1\">change the boot order<\/li>\n<li aria-level=\"1\">change the basic settings for your hardware<\/li>\n<li aria-level=\"1\">set your system clock<\/li>\n<\/ul>\n<p>BIOS is your go-to person.<\/p>\n<h2>How to Check BIOS Version in Windows 10?<\/h2>\n<p>Here are 2 quick ways for how to check BIOS version (Windows 10) <strong>Use the Command Prompt<\/strong><\/p>\n<ul>\n<li aria-level=\"1\"><code>Windows logo key + S<\/code> -&gt; Type <em>cmd<\/em> into the search box -&gt; Click on the <em>Command Prompt<\/em><\/li>\n<li aria-level=\"1\">Type wmic bios get smbiosbiosversion -&gt; Enter -&gt; Check the version number of your BIOS<\/li>\n<\/ul>\n<p><strong>Use the System Information Panel<\/strong><\/p>\n<ul>\n<li><code>Windows logo key + R<\/code> -&gt; Type <code>msinfo32<\/code> into the run box -&gt; <em>Enter<\/em> -&gt; <em>System Summary -&gt; BIOS Version\/Date<\/em><\/li>\n<\/ul>\n<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\/06\/13_bios_version.jpg\" alt=\"Type in msinfo32\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div>\n<h2>How to Enter BIOS?<\/h2>\n<p>Entering your PC\u2019s BIOS requires certain knowledge. Here\u2019s what you can use to do that: <strong>Function Keys<\/strong><\/p>\n<ul>\n<li aria-level=\"1\">Turn on your laptop and simultaneously press F2, DEL or F12 (the exact key depends on your laptop brand) -&gt; You will enter your BIOS settings<\/li>\n<\/ul>\n<p>It might be difficult to use function keys to access your BIOS in Windows 10 due to the <a href=\"https:\/\/www.makeuseof.com\/what-is-windows-fast-startup-why-disable-it\/\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">Fast Startup option<\/a><\/p>\n<p>.<\/p>\n<p>Therefore, we recommend you to disable this feature:<\/p>\n<ul>\n<li aria-level=\"1\"><em>Start -&gt; Control Panel -&gt; Power Options -&gt; Choose what the power buttons do -&gt; Change settings that are currently unavailable -&gt; Shutdown settings -&gt; Disable Turn on fast startup -&gt; Save changes <\/em><\/li>\n<li aria-level=\"1\">Restart your PC -&gt; <em>Enter<\/em> your BIOS at startup by pressing the function key<\/li>\n<\/ul>\n<p><strong>Advanced Settings<\/strong><\/p>\n<ul>\n<li aria-level=\"1\"><em>Windows 10 Desktop (the lower right corner) -&gt; Notification icon -&gt; All settings <\/em><\/li>\n<li aria-level=\"1\"><em>Update &amp; Security -&gt; Recovery -&gt; Advanced Startup -&gt; Restart now -&gt; Access the UEFI firmware and the BIOS settings <\/em><\/li>\n<\/ul>\n<div class=\"screenshots\">\r\n  <div class=\"screenshots__image-shadow\">\r\n    <img data-src=\"https:\/\/www.auslogics.com\/en\/articles\/wp-content\/uploads\/2024\/08\/Tips-on-How-to-Enter-BIOS-on-Windows-Computers-1.png\" alt=\"Tips on How to Enter BIOS on Windows Computers\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div>\n<h2>How to Change BIOS Settings in Windows 10?<\/h2>\n<p>BIOS utilities vary greatly. Nonetheless, they all are quite similar in structure and purpose, being sets of menus that give you control over the PC\u2019s hardware settings. And although the setting locations may differ depending on the hardware you use, they follow the same logic. That is why the following instructions make sense no matter what BIOS setup utility you have.<\/p>\n<ul>\n<li aria-level=\"1\">To navigate your BIOS, use arrow and other computer-specific keys \u2013 regrettably, mouse input is not supported.<\/li>\n<li aria-level=\"1\">Bear in mind that you should be extremely careful when customizing your BIOS \u2013 one false move and the game is over. Therefore, to avoid OS or hardware failures, adjust your computer\u2019s BIOS settings only if you know the drill. Or if you really need them tweaked.<\/li>\n<\/ul>\n<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\/06\/Boot-Manager.jpg\" alt=\"Access your BIOS settings to configure them to your needs. But be careful.\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div>\n<p>Can\u2019t get scared?<\/p>\n<p>So, Braveheart, here are 5 nice tricks for you to try out:<\/p>\n<h3>Solution 1: Change the Boot Order<\/h3>\n<p>Willing to change the boot sequence for some technical reasons?<\/p>\n<p>Here is how to do that:<\/p>\n<ul>\n<li aria-level=\"1\">Enter the <em>BIOS Setup Utility -&gt; Navigate to Boot<\/em><\/li>\n<li aria-level=\"1\">Perform boot order changes by using specific keys (look them up on the BIOS setup utility screen) -&gt; <em>Save the changes<\/em>.<\/li>\n<\/ul>\n<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\/06\/13_bios_change_boot_order.jpg\" alt=\"You can configure boot options in BIOS\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div>\n<h3>Solution 2: Create a BIOS Password<\/h3>\n<p>You can protect your PC\u2019s most sensitive areas by enabling a BIOS password. Honestly, it never hurts to be a little cautious.<\/p>\n<p>To set a BIOS password:<\/p>\n<ul>\n<li><em>Enter the BIOS Setup Utility -&gt; Navigate to Security<\/em><\/li>\n<li><em>Set User Password (or something like this) -&gt; Create a strong password -&gt; Save configuration changes<\/em><\/li>\n<\/ul>\n<h3>Solution 3: Set Your System Clock<\/h3>\n<p>Time management is essential. So, why not adjust your PC\u2019s time settings so that it can stay organized?<br \/>\nHere are some easy-to-follow steps:<\/p>\n<p><em>Launch your BIOS -&gt; Navigate to Main -&gt; System Time &amp; System Date -&gt; Save the changes<\/em><\/p>\n<h3>Solution 4: Change Fan Speeds<\/h3>\n<p>You might wish to change your PC\u2019s <a href=\"https:\/\/www.thewindowsclub.com\/control-cpu-fan-speed-on-windows-computers\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">fan speeds for better performance<\/a>:<\/p>\n<ul>\n<li><em>Enter the BIOS Setup Utility -&gt; Navigate to Power<\/em><\/li>\n<li><em>Search for the fan settings -&gt; Enable the \u2018fan control\u2019 feature -&gt; Change the settings to what you want<\/em><\/li>\n<\/ul>\n<h3>Solution 5: Tweak Your CPU<\/h3>\n<p>Your BIOS gives you an opportunity to underclock or overclock <a href=\"https:\/\/www.makeuseof.com\/tag\/cpu-technology-explained\/\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">your CPU<\/a>.<\/p>\n<p>By the way, overclocking your CPU is not recommendable: this technique can overheat your PC and cause it to go slightly mad \u2013 too high a price to pay for a temporary performance gain, right?<\/p>\n<p>Nonetheless, here\u2019s how overclocking\/underclocking can be performed:<\/p>\n<p><i>using FSB Clock<\/i><\/p>\n<ul>\n<li>Enter the BIOS Setup Utility -&gt; Navigate to the Advanced Settings menu<\/li>\n<li>Search for the option including some of the following words: FSB, Clock, CPU, or Frequency-&gt; Select the CPU Frequency settings -&gt; Change the value (here you can turn down or increase the CPU\u2019s speed)<\/li>\n<\/ul>\n<p><i>using CPU Multiplier<\/i><\/p>\n<ul>\n<li>Enter the BIOS Setup Utility -&gt; Navigate to the Advanced Settings menu<\/li>\n<li>Search for the CPU Multiplier or CPU Ratio option -&gt; Select the CPU Multiplier Clock option -&gt; Set it to another value (you can speed up or slow down your CPU)<\/li>\n<\/ul>\n<hr \/>\n<p><strong>Also Read: <\/strong><a href=\"https:\/\/www.auslogics.com\/en\/articles\/best-bios-settings-for-better-performance-and-gaming\/\" target=\"_blank\" rel=\"noopener noreferrer\">Best BIOS Settings for Better Performance and Gaming<\/a><\/p>\n<hr \/>\n<h2>How to Update BIOS in Windows 10?<\/h2>\n<p>Keep in mind that BIOS is a cornerstone of your PC\u2019s architecture: if it gets infected or corrupted, your system may run into a persistent malware presence or a permanent denial of service. Thus, avoid suspicious or untrustworthy update sources.<\/p>\n<p>Besides, it is vital that you have power backup while updating your BIOS: a sudden system turnoff can cause the rewriting process to fall through and corrupt your BIOS \u2013 which is a most dispiriting experience indeed.<\/p>\n<p>Follow these steps to update your BIOS:<\/p>\n<ul>\n<li>Go to your motherboard manufacturer\u2019s official website.<\/li>\n<li>Search for the updates for your specific motherboard model.<\/li>\n<li>Download the updated BIOS version.<\/li>\n<li>Extract the contents from the downloaded archive.<\/li>\n<li>Check out the README file.<\/li>\n<li>Place the compressed file on the root of your formatted flash drive.<\/li>\n<li>Reboot your PC -&gt; Enter the BIOS at boot.<\/li>\n<li>Choose the BIOS-updating option -&gt; Select your flash drive -&gt; Select the BIOS file.<\/li>\n<li>Wait for the system to reboot and start updating your BIOS.<\/li>\n<li>Wait for the process to finish.<\/li>\n<\/ul>\n<p style=\"padding-left: 40px;\"><a href=\"https:\/\/www.asus.com\/support\/faq\/1008276\/\" target=\"_blank\" rel=\"noopener nofollow\">Update BIOS on Asus.<\/a><\/p>\n<p style=\"padding-left: 40px;\"><a href=\"https:\/\/docs.oracle.com\/cd\/E19121-01\/sf.v20z\/819-2714-14\/chap.html\" target=\"_blank\" rel=\"noopener nofollow\">Update BIOS on Oracle.<\/a><\/p>\n<p style=\"padding-left: 40px;\"><a href=\"https:\/\/support.hp.com\/us-en\/document\/ish_4123786-2338478-16\" target=\"_blank\" rel=\"noopener nofollow\">Update BIOS HP.<\/a><\/p>\n<p>Besides, make sure your drivers are up-to-date as well. You can:<\/p>\n<ul>\n<li>update them manually;<\/li>\n<li>use Device Manager: <code>Windows + X<\/code> -&gt; Device Manager -&gt; Expand the device entries -&gt; Search for the problematic driver -&gt; Right-click on it and select Update Driver Software;<\/li>\n<li>utilize a special tool, e.g. <a href=\"https:\/\/www.auslogics.com\/en\/software\/driver-updater\/\" target=\"_blank\" rel=\"noopener noreferrer\">Auslogics Driver Updater<\/a>, to fix all your drivers in one click.<\/li>\n<\/ul>\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-5626105816785274\"\r\ncrossorigin=\"anonymous\"><\/script>\r\n<!-- Bottom_CTA -->\r\n<ins class=\"adsbygoogle\" style=\"display:inline-block;width:728px;height:90px\" data-ad-client=\"ca-pub-5626105816785274\" data-ad-slot=\"9260129453\"><\/ins>\r\n<script>\r\n(adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<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\/06\/13_Auslogics_Driver_Updater.jpg\" alt=\"Make sure your drivers are up to date with Auslogics Driver Updater\" class=\"lazyload screenshots__image\">\r\n  <\/div>\r\n  <div class=\"screenshots__description\"><\/div>\r\n<\/div>\n<hr \/>\n<p><strong>Also Read: <\/strong><a href=\"https:\/\/www.auslogics.com\/en\/articles\/how-to-update-drivers\/\" target=\"_blank\" rel=\"noopener noreferrer\">[EASY GUIDE] How to Update Device Drivers on a Windows 10 PC?<\/a><\/p>\n<hr \/>\n<h2>How to Reset BIOS to Its Default Settings?<\/h2>\n<p>You might need to flash your BIOS or fix certain bugs on your PC, which means you should know how to reset your BIOS.<\/p>\n<p>To do that, follow these instructions:<\/p>\n<p><em>Enter your BIOS settings -&gt; Find the \u2018reset to default settings\u2019 option (it can be called Reset to default, Clear BIOS settings, Load setup defaults) -&gt; Select it -&gt; Enter<\/em><\/p>\n<h2><b>In Summary<\/b><\/h2>\n<p>The BIOS (Basic Input\/Output System) is a critical component of a computer that acts as a mediator between the hardware and the operating system. It provides essential instructions and settings to ensure the computer starts up and operates correctly.\u00a0 From managing hardware initialization to booting the operating system, the BIOS plays a pivotal role in the overall functionality of a computer system.\u00a0 That\u2019s why, it is crucial to approach BIOS customization with caution to avoid potential OS or hardware failures.<\/p>\n<h2>FAQ<\/h2>\n<div class=\"faq-box\"><div class=\"faq-box__tabs\"><div class=\"faq-box__tab\">\r\n\t<input id=\"id-1\" class=\"faq-box__checkbox\" type=\"checkbox\" \/>\r\n\t<label class=\"faq-box__label\" for=\"id-1\"><span>How to check BIOS settings?<\/span><\/label>\r\n\t<div class=\"faq-box__content\"> To check the BIOS settings on your computer, follow these steps:<\/p>\n<ul>\n<li aria-level=\"1\">Start or restart your computer.<\/li>\n<li aria-level=\"1\">Accessing the BIOS during the boot process typically requires pressing a specific key or combination of keys: Del, F2, F10, or Esc. Pay attention to any on-screen messages that indicate which key to press.<\/li>\n<li aria-level=\"1\">Once you identify the correct key, press it repeatedly until the BIOS setup utility or BIOS menu appears.<\/li>\n<li aria-level=\"1\">In the BIOS settings, you can navigate using the arrow keys on your keyboard.<\/li>\n<li aria-level=\"1\">Explore the different sections and options to view and modify boot order, system date, time, hardware configurations, etc.<\/li>\n<li aria-level=\"1\">Take caution when modifying BIOS settings, as incorrect changes can impact your computer&#8217;s functionality.<\/li>\n<li aria-level=\"1\">Once you have checked or adjusted the desired settings, save the changes and exit the BIOS. This typically involves selecting the &#8220;Save and Exit&#8221; option or pressing a specific key, such as F10.<\/li>\n<li aria-level=\"1\">Your computer will restart with the updated BIOS settings in effect. <\/div>\r\n<\/div><\/li>\n<\/ul>\n<p><div class=\"faq-box__tab\">\r\n\t<input id=\"id-2\" class=\"faq-box__checkbox\" type=\"checkbox\" \/>\r\n\t<label class=\"faq-box__label\" for=\"id-2\"><span> How to check if BIOS is working properly?<\/span><\/label>\r\n\t<div class=\"faq-box__content\"> To check if the BIOS is working properly on your computer, follow these steps:<\/p>\n<ul>\n<li aria-level=\"1\">Start or restart your computer.<\/li>\n<li aria-level=\"1\">During the boot process, pay attention to the initial startup screen or any on-screen messages.<\/li>\n<li aria-level=\"1\">Look for a message indicating the successful initialization of the BIOS. This message is usually displayed briefly and may mention the BIOS version or manufacturer.<\/li>\n<li aria-level=\"1\">If you see the manufacturer&#8217;s logo or a specific prompt, such as &#8220;Press [key] to enter setup,&#8221; it suggests that the BIOS is functioning correctly, as it is initiating the boot process and waiting for user input.<\/li>\n<li aria-level=\"1\">As the computer boots up, you should also observe that it goes through the normal startup sequence, displaying the appropriate hardware information and initializing system components.<\/li>\n<li aria-level=\"1\">Additionally, if your computer successfully loads the operating system and you can use it without encountering any significant issues, it indicates that the BIOS is working properly. <\/div>\r\n<\/div><\/li>\n<\/ul>\n<p><div class=\"faq-box__tab\">\r\n\t<input id=\"id-3\" class=\"faq-box__checkbox\" type=\"checkbox\" \/>\r\n\t<label class=\"faq-box__label\" for=\"id-3\"><span> How to know if BIOS is corrupted?<\/span><\/label>\r\n\t<div class=\"faq-box__content\"><\/p>\n<p>To determine if the BIOS is corrupted on your computer, you can look for the following signs:<\/p>\n<ul>\n<li aria-level=\"1\">No power or boot failure;<\/li>\n<li aria-level=\"1\">Strange or inconsistent behavior such as frequent crashes, random freezes, or unexpected reboots.<\/li>\n<li aria-level=\"1\">Error messages or beeps<\/li>\n<li aria-level=\"1\">Missing or incorrect BIOS settings<\/li>\n<li aria-level=\"1\">Inability to update BIOS <\/div>\r\n<\/div><\/li>\n<\/ul>\n<p><div class=\"faq-box__tab\">\r\n\t<input id=\"id-4\" class=\"faq-box__checkbox\" type=\"checkbox\" \/>\r\n\t<label class=\"faq-box__label\" for=\"id-4\"><span> What is the main function of the BIOS?<\/span><\/label>\r\n\t<div class=\"faq-box__content\"><\/p>\n<p>The main function of the BIOS (Basic Input\/Output System) is to act as an intermediary between the computer&#8217;s hardware components and the operating system.<\/p>\n<p>It provides essential instructions and settings required for the computer to start up and operate correctly.<\/p>\n<p>The BIOS performs various crucial tasks, including hardware initialization, system configuration, and booting the operating system.<\/div>\r\n<\/div><\/p>\n<p><div class=\"faq-box__tab\">\r\n\t<input id=\"id-5\" class=\"faq-box__checkbox\" type=\"checkbox\" \/>\r\n\t<label class=\"faq-box__label\" for=\"id-5\"><span> What happens when you reset BIOS?<\/span><\/label>\r\n\t<div class=\"faq-box__content\"><\/p>\n<p>Resetting the BIOS restores all settings to their original defaults, including boot order, system time and date, hardware configurations, and more.<\/p>\n<p>If you have set a BIOS password, it will be cleared, allowing you to access the BIOS without entering a password.<\/p>\n<p>This can help resolve hardware or software issues caused by incorrect or incompatible settings.<\/p>\n<p>However, any custom optimizations or configurations you have made will be lost and need to be reconfigured.<\/p>\n<p>Additionally, compatibility settings for certain hardware components may need to be adjusted after the reset.<\/div>\r\n<\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>What is BIOS on a computer? In this guide, we&#8217;ll explain everything you need to know about BIOS, how to enter BIOS, how to change BIOS settings, and more. Keep reading! <\/p>\n","protected":false},"author":5,"featured_media":80167,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[879,811],"tags":[97,175,109],"class_list":["post-465","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-device-issues","category-optimization","tag-bios","tag-cpu","tag-pc-performance"],"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>What is BIOS on a Computer: What You Need to Know &#8212; Auslogics Blog | Tips to Diagnose &amp; Resolve Computer Issues<\/title>\n<meta name=\"description\" content=\"What is BIOS? It&#039;s basically a bridge between your PC hardware components and the operating system. Here&#039;s how to check BIOS and tweak it!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.auslogics.com\/en\/articles\/wp-json\/wp\/v2\/posts\/465\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is BIOS on a Computer: What You Need to Know\" \/>\n<meta property=\"og:description\" content=\"What is BIOS? It&#039;s basically a bridge between your PC hardware components and the operating system. 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