Almost every computer keyboard has a row of function keys at the top, but it seems like almost nobody knows what they do. They’re incredibly handy, however, and can be an invaluable part of your daily ...

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 ...

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 ...

There are different ways to change the screen brightness, but the easiest way is to use the function keys. PCs of different brands have different function keys to control screen brightness. In this ...