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.

If you take a look at your laptop's keyboard, you'll notice that the top row keys have icons printed above, with "F" and a number, like F1, F2, and so on, below each one. These are known as function ...