If F1, F2, F3, etc, Function (Fn) keys stop working in Windows 11/10 here are some troubleshooting steps that will help you fix the problem on your Dell, HP, Lenovo, Toshiba, etc. computers.

Can't change screen brightness? If the Function key for Brightness is not working in Windows 11/10, the problem may be with drivers. This post will help you fix the issue.