I have a Toshiba laptop, about 3 years old. I had some work done on it and when I got it back, the function FN key which works with certain commands on the pf keys would not work. Now I cannot change ...

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 ...

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 ...