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 ...

You may have never realized it, but you don’t necessarily have to settle for the keyboard defaults that you get on your laptop out of the box: If you want different keys to trigger different actions ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Press Win+A to find the brightness slider, or look for the sun keys on the keyboard Alternatively, use the screen brightness keys ...

Close-up of the F9, F10, F11, and F12 function keys on a keyboard - Professor25/Getty Images For almost every PC or Mac user, a keyboard and either a mouse or a trackpad are more than enough to ...