The function keys, or F keys, on a computer keyboard serve as a line of shortcut keys that invoke various actions and commands in software applications. Located across the top of the keyboard, labeled ...

Press the F5, F9, or F11 key to turn your HP laptop keyboard light on or off. Some HP laptops need the Fn key pressed with the light key to activate the keyboard light. If these keys don't work, check ...

If you’ve got a netbook with a 1024 x 600 pixel or lower resolution display, the F11 key is your friend when surfing the web with Firefox. That’s the button that lets you view web pages in full screen ...