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PC crashes without warning when GPU's are moderately stressed

  • Gtx
  • Gaming
  • Desktops
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Last response: in Components
July 30, 2014 7:24:26 PM

I've recently started having issues with my PC, it has started crashing whenever i attempt to play most games on high or ultra. I currently have a gigabyte gtx 770 (which just recently replaced a gtx 260) and a gtx 260 installed. It has a intel 920 i7, 6x2gb ram (not sure on the manufacturer), with 750w psu (again not sure on the manufacturer). prior to adding the new 770 I haven't had any issues at all with any component of this PC for the last 6 years.

The Idle temp for the 770 is around 37.5 and generally reaches around 72.5 and stays there for a moment before it crashes without warning.

The idle for the 260 is around 50 and may reach a peak of 55.

I've tried multiple drivers i for the Gpus (current is 340.52 with no 3d features installed with it.

More about : crashes warning gpu moderately stressed

a c 1222 4 Gaming
July 30, 2014 7:28:41 PM

Find out the make and model for the PSU.
July 30, 2014 7:46:41 PM

SR-71 Blackbird said:
Find out the make and model for the PSU.

Its an "Alienware NPS-750AB-1 750W 24-pin ATX Power Supply"