How to Use the Fn Key on a Toshiba Laptop. For a business employee, a laptop offers distinctive advantages over a desktop PC. Your laptop gives you access to your files and software while you ...

You can stop wondering about those mysterious keyboard function keys on the top of your laptop and desktop keyboards. We have the answers!

The key can be disabled in BIOS, changing dual-use keys that require using the "Fn" key to single-use keys. The laptop must have advanced BIOS options for the "Fn" key to be disabled.

For those looking to beef up their security, a physical Apple ID Security Key is perfect for keeping any unwanted eyes of your Mac/MacBook's files.

I know that when I'm in Dreamweaver, Flash, or Fireworks, the F12 key will bring up a browser preview of whatever I'm working on. How about you - are you a function keys fanatic?

Is one of the keys not working, malfunctioning, or double-pressing? Here's how to clean your keyboard and fix a stuck key.