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Computer randomly restarts (sometimes won't boot)

Last response: in Motherboards
October 2, 2013 8:27:19 PM

Hey guys. I'm not sure under which section I should have posted this, so sorry if it is in the wrong section.
Anyways my issue is this. I ordered a mid tower case and it came in for my pc today (Rosewill black gaming mid tower case) I unscrewed the mobo along with everything else and put it in carefully into the new case. At first, when I started the pc up, all engines were running but nothing on the screen.. eventually I got it to boot up and ran it @ default speeds etc... Then, while surfing the net, my pc just restarted randomly and would not boot(black screen, no load etc). I unplugged many things and gave it ago after countless tries and it worked again. Then again, while playing a game, it restarts, except this time with no black screen/load errors. So I ask you guys what could be the cause? As I'm writing right now all runs fine. Everything it connected properly right now so I'm kind of scratching my head here..Could a bad HDD cause this if anything?? I'd love to hear some ideas if somebody has experienced a similar scenario before. Thank you !

asus m4a evo motherboard
msi 560ti
phenom 955 x2
corsair 650 psu
wind 7 64bit
500gb hdd

Best solution

a c 1304 V Motherboard
October 2, 2013 8:44:38 PM

Check that all power connections are snug, and in particular check that standoffs in place and the screws are snug, make sure mobo itself doesn't have any metal touching it....if nothing apparent, may want to bench it, have a guide that might help here:
October 2, 2013 8:52:41 PM

I would have never thought of the screw thing, good point.. I wonder if this can be causing it even though it was installed basically the same way in the previous case. Would not having screw standoffs in place cause such things as random restarts and occasional black screen for no apparent reason? I'm no pc wiz, just your above average individual I suppose. I will continue to give that link a read, thanks again!
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a c 1304 V Motherboard
October 2, 2013 9:22:52 PM

You can be getting an intermittant short if not all snug, it may look nice and solid but when running there's vibrations and the air flow from the case fans, which can slightly 'move' the mobo
October 2, 2013 9:30:01 PM

Thanks for the tip then! If it occurs once more, perhaps tomorrow I will take it apart again and get the standoffs in place and see it continues to persist or not.
a c 1304 V Motherboard
October 2, 2013 9:36:06 PM

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