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 Command key - aka Apple key or Cmd key - gets a lot of use. Here's where it is on a Mac and PC keyboard, and what you can do with it.

iPad: Command key Your iPad has a whole bunch of useful keyboard shortcuts, complete with a built-in way to learn them all. Whenever you’ve opened any app, press and hold the Command button to ...