You can easily crash your own computer with a few keystrokes. It is not recommended that you do this, as crashing a computer could cause irreversible damage. You can go to your registry editor screen and create a keystroke file. This will allow you to crash your own computer by typing the correct keystrokes. You can find more information here: http://www.howtogeek.com/howto/windows-vista/keyboard-ninja-kill-windows-with-the-blue-screen-of-death-in-3-keystrokes/
