The laptop must have advanced BIOS options for the “Fn” key to be disabled. To disable FN Lock, press the FN key, and the Caps Lock key at the same time again. How do I make my Fn key always on?Įnabling FN Lock on the All in One Media Keyboard To enable FN Lock on the All in One Media Keyboard, press the FN key, and the Caps Lock key at the same time. Depending on the keyboard model, the following keys may be alternate function keys: NUM LOCK. This behavior may occur if the keyboard is equipped with an F LOCK toggle key, and the F LOCK key has been turned on.