On some computers, the function keys -- the 12 "F" keys at the top of the keyboard -- have built-in secondary functions, like changing speaker volume or monitor brightness. Using the function keys for ...

Think you know your keyboard? Think again. Unlock the secret power of your function keys with these 12 clever laptop hacks and shortcuts.

My (slightly old) Toshiba Satellite has the Fn key placed between left Ctrl & Alt, where a Windows key would normally be. The Fn key is used in key combinations to control video out, lock the laptop, ...