Possible faulty GPU? (Msi Twin frozr GTX 660)

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mrrehhorn

Honorable
Oct 22, 2013
5
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10,510
Hi, been around the forums awhile but this is my first time posting.

My concern is with my GPU, as I believe it is the cause for my system shutting down a couple times now. The first time my computer shut off was when I was OCing the GPU a few weeks ago. I wasn't too concerned as I figured I just didn't OC it well (didn't even touch voltages). Now today while play War Thunder, my system randomly shuts off again! This time, it wasn't even over factory OC. When I tried to boot my system up, the GPU fans weren't running and no image was coming up on my screen. I did a quick check to see if it was fit correctly and to see if its 6-pin power was fitted well. Everything A-OK. So I boot my system up again, and suddenly everything is running fine (although I swear I'm hearing a weird noise, but I could just be paranoid).

Is this a problem I should be worrying about or something stupid I'm overlooking? Thanks!

My Specs
MSI H87-G43 mobo
i5-4570 (3.2GHz)
4GB Corsair Vengeance LP x2
Corsair TX650M
MSI Twin Frozr II GTX 660
 
Solution
iam2thecrowe
650w is more than sufficient to run 2 gtx660's, but there could be something wrong with the psu. If your system is hard powering off, then its either thermal cut out from cpu overheat, or the psu/power source at the wall is faulty. Some power boards/adaptors can cause problems, plug directly into the wall outlet if you can, or try another power board.
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iam2thecrowe

iam2thecrowe

Glorious
Jul 4, 2010
10,591
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650w is more than sufficient to run 2 gtx660's, but there could be something wrong with the psu. If your system is hard powering off, then its either thermal cut out from cpu overheat, or the psu/power source at the wall is faulty. Some power boards/adaptors can cause problems, plug directly into the wall outlet if you can, or try another power board.
 
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Solution
M

mrrehhorn

Honorable
Oct 22, 2013
5
0
10,510


Okay I'll try the outlet and see if it happens again. It's not really worrying as it has only happened twice, so I won't buy a new PSU until I know it's the problem. Thanks!
 
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M

mrrehhorn

Honorable
Oct 22, 2013
5
0
10,510
Well I tried plugging it into an outlet, and decided to do Prime95 to see if it would find something. I didn't even get through the third test and shut off. And again, it took a couple tries for the gpu to actually boot up.. I have no idea what the hell the problem is
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Okay so I ran it again, this time watching temps. Come the third test, the CPU and Mobo were increasing up to mid 50's and kept going. At this point I shut off the test before my system shut down. I noticed that my heatsink fan wouldn't go past 600rpms. It's a Hyper Evo 212 and is rated at 600-2000 so I have a feeling this might be the issue, since my system only shuts down under heavy load.
 
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