Ever noticed the Fn key on your Mac or Windows computer? It serves several purposes, but you'll need to learn how to use it.

Function keys are the F1-F12 keys that run across the top of your keyboard. Commonly ignored yet incredibly useful, most function keys act as time-saving, shortcut buttons.

The "Fn" key on a Dell toggles the multimedia keys on and off. On some models, you must press "Fn" to activate these multimedia keys, but the keyboard operation can be changed on the Dell PC so ...

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.

Universal keystrokes 1. Help. F1 is the Help key in almost every software program available, including all the Microsoft products. Ctrl+F1 displays or hides the ribbon menu bar in Word and Excel.