ok so i ve got an old p4 1.8 family comp that we use for internet. Well it was turned off and i was sitting on the computer desk doing some work...And suddenly the computer turned on....I was like WTH??? i never even touched the power button. well anyway i turned it off. And then.....i continued to do my work, and as i was doing so i accidentally pressed the "spacebar" on the keyboared AND THE FIRGGIN THING turned it self back on!! lol im still not sure how that happend... but anyway...