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Faulty Power supply?

Last response: in Components
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March 6, 2013 3:43:54 AM

Alright so the issue im having is that my computer starts up and works fine, that is until i play video games at which point my computer restarts randomly. In addition when i have tried to connect more than 1 graphics card the graphics cards wont start up. I am assuming this is a faulty power supply issue more than anything and that my computer shuts down as the graphics card puts more stress on the power supply, additionally that my power supply cannot run two cards now which is why when two are connected they dont start up.

My power supply is a thermaltake 1200 TRX which ran my two gtx 680's fine in the past.

Any input would be really helpful

More about : faulty power supply

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a b ) Power supply
a b U Graphics card
March 6, 2013 6:09:02 AM

If there is a smell of burnt electronics when the PC shuts down, then it's possibly the power supply.

Crashes in games are also often because of faulty RAM sticks. Try running a demanding game with only one of your RAM sticks, if it shuts down again, then try one of the other RAM sticks.

If you got a spare power supply, or a friend in possesion of one, then try to switch the power supply, and then you can determine wether it is the problem, or not.

Also try to listen the fan of the power supply, if it's very loud, then it's possibly because of overheating.

I hope you get it going soon, good luck! :) 


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a c 715 ) Power supply
a c 1410 U Graphics card
March 6, 2013 10:03:09 AM

Looks like a bad PSU with reboots but as said above only way to be sure is testing with a known good one or with yours in a different rig.
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March 6, 2013 11:00:08 AM

You could try loading up the system by running Prime95 and Furmark and seeing if the power draw causes the issue. However...if the PSU is supected faulty, the safest thing to do is replace it. I've had a PSU take out my motherboard before, and it was a good PSU, not a generic unit.
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