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 ...

The F1-F12 keys at the top of your Mac keyboard can adjust brightness, control music, and launch system views in a single tap. They can also act as traditional function keys (F1 sends 'F1') for apps ...

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 ...