Random crashing need help

toastofwar

Distinguished
May 31, 2010
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Specs:
cpu: i7 920
mobo: ASUS Sabertooth X58 LGA 1366 Intel X58
ram:12 gigs ddr3 1600mhz
gpu: sli gtx 560 ti
psu: http://www.newegg.com/Product/Product.aspx?Item=N82E16817371049

So when im playing games such as bf3 sometimes the computer randomly will crash. Sometimes its instant others it blue screens. Also i have noticed that when i press the power button to turn the computer on it will start up for about 2 seconds, shut down, then start back up again.

misc things that may help: sometime when in games the computer freezes up and i have to hard shut it down. A small problem is that once and a while the things plugged into my usb 3.0 ports don't work and i have to unplug them and put them back in. My cpu runs cool but my gpus get up to 80.