Whether work has you glued to your computer or you're an avid PC gamer, it doesn't get much more annoying than having a stuck key on your keyboard. The problem usually arises from a dirty keyboard, ...

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 ...