Function keys (Fn keys) provide a more convenient and quicker way to accomplish various tasks. With the right combination of keys, you will be able to switch on your Wi-Fi, turn up your speaker volume, and execute many other functions.

However, there are times when you don’t get the appropriate result despite pressing the right key combination. You might wonder, “Why are the function keys not working on my keyboard?” Well, several reasons may be behind this. In this post, we are going to find out what they are. Moreover, we will teach you how to fix the Fn keys not working issue on your computer.

Method 1: Checking If the Function Keys are Locked

In most cases, the reason why you cannot use the function keys is because you have unknowingly pressed the F lock key. Don’t worry because we can teach you how to unlock the function keys on Windows 10. We recommend looking for an F Lock or F Mode key on your keyboard. If there is one, try pressing it, then check if the Fn keys are now working.

Fix this issue quickly

You can try using a safe and totally free tool developed by the Auslogics team of experts.

A few simple steps to troubleshoot the issue:

  1. Download the tiny Auslogics TroubleShooter tool.
  2. Run the application (no installation is needed).
  3. The app will check for the issue mentioned in the article. When the scan is done, check that this is the issue you were looking to solve and click ‘Apply now’ to apply the recommended fix.
  4. You can use the app to troubleshoot other malfunctions for free by simply typing in a brief description of the issue your PC is experiencing. Or you can scan your PC for performance issues using the My Scanner tab.

Developed for Windows 10 (8, 7, Vista, XP). Please review EULA and Privacy Policy.


Method 2: Try Pressing the F11 or F12 Keys

Several users reported that they had been able to get their function keys working by pressing the F11 or F12 key. There is no harm in trying the same solution. Give it a shot, then check if it has resolved the issue.

Method 3: Updating your Keyboard Driver

The Fn keys may start to malfunction or stop working at all when the keyboard driver on your computer is damaged, corrupted, or outdated. Thankfully, this problem can easily be solved by updating your drivers. There are three ways to do this:

  1. Via the Device Manager
  2. Going to the Manufacturer’s Website to Download the Driver
  3. Using Auslogics Driver Updater

Via the Device Manager

  1. On your keyboard, press Windows Key+X.
  2. From the list, select Device Manager.
  3. Now, expand the contents of the Keyboards category.
  4. Right-click your keyboard, then select Update Driver.

Going to the Manufacturer’s Website to Download the Driver

You must know that even when you update your keyboard driver via the Device Manager, your system can still miss the appropriate version. As such, you need to go to the manufacturer’s website, then locate the right keyboard driver for your processor type and OS. Make sure you find the right version because if you don’t, you will cause more problems for your computer.

Using Auslogics Driver Updater

When you manually update your keyboard driver, you are putting your PC at risk. Moreover, the process can be time-consuming because you need to find the right version for your operating system and processor type. On the other hand, when you use Auslogics Driver Updater, you only need to click a button. The tool will automatically recognize your OS and processor type, then locate the right keyboard driver for your computer. The best part is, this software program will update all your drivers. So, you can resolve the problem and even improve the performance of your PC.

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