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.

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..