The function keys, or F keys, on a computer keyboard serve as a line of shortcut keys that invoke various actions and commands in software applications. Located across the top of the keyboard, labeled ...

The Fn key is short for function – this particular key allows PC users to access the second assignment of a key. It is normally found at the bottom left corner. The Function keys (F1, F2, etc) are ...

There are different ways to change the screen brightness, but the easiest way is to use the function keys. PCs of different brands have different function keys to control screen brightness. In this ...