If your keyboard keys stop working, it doesn't necessarily mean they're broken or need replacement. From checking keyboard ...

2. Lock or Unlock the Function Key From the BIOS Menu The BIOS menu on your PC allows you to change various system settings, such as boot order, hardware configurations, and power management options.

Apple has implemented a function in macOS 15 that ensures that MacBooks no longer activate automatically when they are opened ...

In addition to the counter and timer, this keyboard also has unique keys on the function row. The usual F-keys have been replaced with dedicated keys for finding text, replacing text, jumping ...

You can Lock and Unlock Function (Fn) key in Windows 11/10 in either of two ways: On the Keyboard In BIOS/UEFI Settings Let’s see how to turn off Fn Lock on your Windows computer now in detail..