If you'd like to play a nice little prank on someone, this next tutorial will show you a quick and easy one. This involves messing around with someone's computer and in no way will it harm or crash the computer. But, if the person you are playing the prank on gets mad easily, then you might think twice. It involves taking a picture of the shut down, restart, standy-by screen and placing it as the desktop screen. Check out the video and enjoy!