Anyone else have a problem with function keys not working. On my MBP F1 to F9 don't work at all. They have worked in the past so I don't know how the machine got into this state. I have the Use ...

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

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 ...