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Installed GTX 580 now pc turns off under load

Tags:
  • Gtx
  • Power Supplies
  • Graphics
Last response: in Graphics & Displays
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December 8, 2013 6:24:20 AM

So I have a PC which is about 3 years old, specs:

1st Gen i7 950 @ 3.07Ghz
Corsair 4GB RAM
Xenta 900W modular PSU
GeForce 6600 (originally)
GTX 580 (now)
Windows 8 Pro 64bit / Ubuntu 13.04 64bit

A couple of days ago I purchased a second hand GTX 580 (Gigabyte) and now when running games, the pc restarts or hangs (with a black screen). I measured current Draw with GPU-Z and when running games like MineCraft I am getting 18A drawn (at 1.027v (VDDC)) and it will run for about 5 minutes then restart the pc (hard reset). I also attempted to run the Windows Experience Index and that forced my PC to restart everytime except once (it was drawing between 55A-68A). When I run something like FurMark (I know can be risky) my current draw is around 58A but the pc never seems to restart.

I have tried running Ubuntu and after about a minute of the PC loading up it locks up and then it reverts to console and I get a GPULockUp message.

I cannot seem to pin it down to one thing? I am guessing the PSU, but could my graphics card be faulty? I am going round to a friend's house to try the graphics card in their machine today.

N.B. The 12V rails for my PSU are as follows:

+12V1 - 17A (Max)
+12V2 - 15A (Max)
+12V3 - 14A (Max)
+12V4 - 14A (Max)

Combined must not exceed 64A.

Any Ideas?

More about : installed gtx 580 turns load

December 8, 2013 6:33:45 AM

it seems you are experienced with pc hardwares....
i think that 2nd hand gpu is faulty...did you ask for demo before you bought it???
hows the temps by the way??
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December 8, 2013 6:37:55 AM

Unfortunately I bought it off eBay, so could not demo beforehand. Although I can return it if it is faulty.

Temps are about 50C idle, 55C running MineCraft and <70C when running FurMark.
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December 8, 2013 6:47:56 AM

test it with another pc first before returning it...
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