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I think my PSU is causing my Graphics Card to Crash.

Last response: in Graphics & Displays
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January 2, 2011 5:30:35 PM

I have The Radeon HD6850 and during games it crashes sometimes, sometimes more frequent than others. my last crash ( about 2 minutes ago ) i actually heard the Fan on the graphics card power down and almost stop before the graphics card started up again. Am i correct in thinking that i have a faulty PSU? it is a 750w Evo Labs PSU.
a b U Graphics card
January 2, 2011 5:38:26 PM

Do you have any other computer that you can test the card in or a old card to test the power supply on?
January 2, 2011 5:41:02 PM

i have a 6 year old PSU which is 750w but the leads will be different, but before i had the HD 6850 i had HD 5750 and i had the same problem as i do no, i know i dont have conflicting drivers because ive ran a driver sweep and ccleaner.
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a b U Graphics card
January 2, 2011 5:42:42 PM

do you have 4pin molex to pci express connectors? should have came with the graphics card.
January 2, 2011 5:44:28 PM

um i think so
a b U Graphics card
January 2, 2011 5:45:36 PM

I would try to power the card of the molex instead of the pci connectors on the psu and see if it still crashes
January 2, 2011 5:47:26 PM

i really have no idea what im doing to be honest, im not that much of a computer guy, but i know what the cables look like, and ill try and switch them around, any other ideas?
January 2, 2011 5:49:58 PM

so it is the psu? i just need confirmation, i dont mind spending money to buy new parts, i just like knowing that im spending this money and itll fix it.
a b U Graphics card
January 2, 2011 5:53:13 PM

In my opinion i would say that it is the power supply or the motherboard. if the power supply is shorting out it will cause the graphics cards to stop for a short amount of time. if the pcie slot is going out it can also start to act up once in awhile.
January 2, 2011 5:55:26 PM

ill try taking the wires out and putting them back in firmly, if that doesnt fix it, ill buy a new psu, thanks!
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