I have a emachine computer. After I would turn it on & after a short time it would turn it self off & the with in a few minutes back on, this would go on & on after this would start happened, I could not turn it off manaully on my on . I would have to unplug it was the on way to stop it. I was told to replace the Power Supply & it should fix my problem. Well I did this . It worked great for two whole days. And last night it started AGAIN. I love my computer, it is my friend when I go home. Can any one please HELP ME.