Power for GPU?

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Flame

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Just bought the GTX 560, but when i run 3dmark sometimes the pc restart. I have the thermaltake 480w true power PSU, is it enough or do my pc run out of power? BUT it dont always restart, just sometimes...sometime 3dmark run through wihout a restart.

Hope anyone can give advice

Thx
Flame
 
Well from my past experience, thernaltake arent so good...

What are the specs of your other hardware? Anything OC'ed?

Before assuming it is haardware and you spend good money, try installing other versions of the drivers for your card and see if that helps.
 
intel core 2 duo 2.8 , 2gig ram, 2x 500gb hdds , 2x dvd writers.

the watt use is max at 220w sometimes on the display in front of pc...
 
There are many reasons why this could be happening, here are some of my theories:

1.GPU Overheating, most of the time if you DON'T install programs that come with your graphics card such as MSI Afterburn or EVGA Precision to adjust you fan speed ,the fan permanently stays at 30% and since benchmarks stress your GPU to 100% and the fans are only at 30% power, this could be the problem.

2. As previous members have stated, the PSU might be packing up. If you are planning to replace it I recommend these brands,Corsair, Antec, Seasonic, XFX, OCZ, Coolermaster and Vantec.
 
thx..bought a YAMA 750w PSU today..seems to fixed it.
 
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