The function keys on your keyboard are the most powerful computer tools that you're not using. We're going to fix that.

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 ...

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 ...