How to Change the startup sound on a computer to a loud noise for a prank
If you know someone who loves their computer and has a fear of being shot dead in a firefight, watch this video! It will show you a great prank to pull on just such a person. All you have to do is change the login sound on their computer to something terrifying, like gunshots, crank the volume, and wait for your victim to attempt to log on to their computer. Hilarity and fear will ensue.