In most cases, this problem will appear after an accidental keys combination press that ended up disabling all the function keys.

Open Settings by pressing on Windows key+I keys and search for 'troubleshoot keyboard.' Follow the on-screen instructions and see if this resolves the Alt+F4 keys not working error on Windows 10.

2022/4/2 · Number Keys on Right Side of Keyboard Not Working Windows 10/11 When using the keyboard on your computer, you may encounter many problems, for example, laptop keyboard is not working , ALT codes don’t work on Windows 10 , FN key doesn’t work, etc. Additionally, you may also encounter the issue of number pad not working.

8/29 · Solution 2: Uninstall Keyboard Drivers. As you can see, Function keys are located on the keyboard and to some extent, the keyboard driver can affect the condition of the F keys.

Filter Keys is a Windows 10 feature that ignores keys you press multiple times. There is a known bug that causes unforeseen issues with many keyboards. Disable it by pressing the right Shift key for 8 seconds. A message will appe the screen. Select Disable this keyboard shortcut in Ease of Access keyboard settings.

7/24 · Disable it by pressing the right Shift key for 8 seconds. A message will appe the screen. Select Disable this keyboard shortcut in Ease of Access keyboard settings. Make sure you've set the Use Filter Keys toggle to Off. If you enabled this, it could be the cause of your Windows key not working.

Steps To Fix the Windows 10 Function Keys Not Working Issue · Step-1 : Using the Hardware Troubleshooter · Step-2 : Update Drivers for Keyboard · Step-3 : Disable 

A locked Fn key is one of the most common causes of this error. · Mismatched drivers can also be the cause of this 

Step 1: Look for an Fn, Fn lock, or F Mode key on your keyboard. It's mostly located below the Esc key or Shift key. Step 2: You should push 

If your Function Key is not working on Windows, you can use one of the many solutions to fix the problem. You can do this by pressing the F11 or F12 keys to see if the keys are functional

Check the Keyboard Driver: Make sure your keyboard is working fine, connect the external keyboard and check the function keys are working or not. If not then you need to update or reinstall the Keyboard Driver. Open Run command by pressing Windows + R and type Devmgmt.msc and hit enter. This command will open the Device Manager.