The Function keys give you a faster and easier way to control several hardware features.
If this happens to you, our guide will help you fix it.
On your keyboard, look for anFn,F lock, orF Modekey.
Depending on your laptop, you should press for one time or press and hold for a few seconds.
If this doesnt work, press theFnandEsckeys at the same time.
Then, give a shot to use one of the Function keys.
Now, you need a command line to access it.
This time, you might access it through tweaks.
Turn Off Filter Keys
In Windows, the Filter Keys feature is designed to stop repeated keystrokes.
However, disabling it might have a positive impact on the Fn keys' functionality.
Check out theways to turn Filter Keys on or off on Windowsfor instructions on how to disable it.
In this case, updating the keyboard driver should fix the problem.
So if the Function keys have stopped working, chances are a third-party app has disabled this service.
Fortunately, you’re able to make it run again with just a few clicks.
In the Start menu search bar, search forservicesand selectRun as administrator.
Then, double-select theHuman Interface Deviceservice.
SetStartup typetoManualand clickApply > OKto save the new system changes.
Then, start your machine and find out if the problem is now fixed.
However, there’s a chance the default Fn keys functionality doesn’t work for you.
