My GPU stops suddenly and get black screen

gpugraphics cardmultiple-monitorspower supply

I have a Nvidia GeForce GTX 660 graphics card and a dual monitor setup. Sometimes my screens go black and get a warning like:

Nvidia Kernel stops responding.

I tried a lot of things; specifically, I updated my OS, GPU driver, second GPU driver, motherboard BIOS and utilies. But I am still getting error sometimes, about once every two days. I downloaded a program called "EVGA PrecisionX 16" and use it with these settings:

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As already mentioned I use two monitors which are identical, I mean they both have 1920×1080 resolution and are same model. I connect one of them first to my Nvidia GPU HDMI port and second one to Nvidia GPU DVI port. I usually use both of them, but while gaming I disable secondary (with help of a program called UltraMon) and use my primary monitor to play.

And while I am gaming I monitor values from this program and I observed max. 65°C in GPU temperature. I monitor my CPU temperature and fan speed and they appear to be normal. Am I wrong about my GPU voltage?

My hardware and software details:

  1. Motherboard: Gigabyte Z97M-D3H
  2. BIOS: 05/30/2014 14:12:20 ver:04.06.05
  3. Processor: Intel i5-4440 CPU @ 3.10 Ghz (4 CPUs) ~3.1 Ghz
  4. Memory: 8192MB (2 * 4096 MB Ram with Kingston brand)
  5. Operating System: Windows 7 Home Basic 64 Bit (6.1, Structure 7601) (with latest updates)
  6. First GPU: Intel HD Graphics Family 4600 (with latest driver and optimum settings)
  7. Secondary GPU: Zotac Nvidia GeForce GTX 660 2GB 192Bit GDDR5 (DX12) PCI-E 3.0 (with latest driver and optimum settings)
  8. DirectX: DirectX 11
  9. PSU: 600 Watt

If you want more information about my system I can edit post.

EDIT : I uninstalled whole W7 and installed W8.1 64-Bit. There is no driver kernel error but sometimes, espeacially while playing game with background music with Windows Media Player , I got some audio freezing. Except this, there is no problem. It may be not a hardware problem.

UPDATE : Today(Feb 4th) I got this error again in Windows 8.1

UPDATE : (March 2015) I upgrade my 8 GBs RAM to 16 GB and have never got that error. I think this is the real milestone for this problem.

Best Answer

It looks like you are not using the Intel HD Graphics - if that is the case then you should disable it in the BIOS. Section 2-5 of the manual indicates where to do that.

This will have small additional benefit of using a little bit less power (a few watts).

Note for other readers: you will need to consult the manual for your specific motherboard to find where to disable the on-chip graphics in the BIOS (or UEFI).

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