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PC turns on and off repeatedly.

Last response: in Systems
December 12, 2010 8:25:29 AM

Hi, i just finished my first new build with the following components;

gigabyte p55a ud3, i5 760, gskill ripjaws 2gb pc3-12800, antec earthwatts 650w and EVGA geforce gts 450.

Every time i try to boot it turns on for 2-3 seconds then turns off, then about 10 seconds after that it turns on and off again. This cycle continues until i turn the psu off. I've tried booting it with only one stick of ram and the graphics card attached to the motherboard to the same end and ive swapped about the ram as well.

Any suggestions would be greatly appreciated. thanks.

More about : turns repeatedly

December 12, 2010 4:08:41 PM

Bad switch on case or mainboard possibly.... Try unplugging power switch connection from mainboard and manually turn it on by using a screwdriver on the power switch leads on the mainboard.