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Windows 7: Random black screen + sound lockup

21 Oct 2012   #1

Windows 7 Ultimate x64
Random black screen + sound lockup


So recently I've been getting these black screen with sound lockup while gaming. I had this like 2 weeks ago and it solved itself by cleaning dust with the air compressor.

But today I was playing CS:GO and my screen went black, the game sound stopped and than continued and than a full lockup of the sound. So I hard reboot my PC by holding down the shutdown button and after restarting the same happened on the desktop. Black screen and not coming back. No hardware disconnect sound nothing, just a full crash with black screen.

I checked the event logs and it doesn't shows anything special. It just says that the computer crashed unexpected and that it could not write the event.

During gaming my GPU reaches 70celcius. I think my GPU is corrupt somehow seeing how I've had problems earlier and fixed it by blowing the dust out of my PC.

I5 2500k
msi gtx 570
8gb ddr3

I tested the ram 2 weeks ago with memtest for 9 hours or so and it came out clean. Cpu is not overclocked.
However an interesting thing is, I had to up the voltage on the GPU because it would crash on heavy games like BF3. Ever since I upped the voltage it worked just fine until 2 weeks ago with a few crashing problems and now. Is this a sign of a bad GPU? I can still send it back to the company.

Edit: Right now it looks stable again, ingame 70c on gpu and 66 on cpu. However this random blackscreen can't be that random can it? It must be some faulty hardware somwhere?

My System SpecsSystem Spec


 Random black screen + sound lockup

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