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Can I definitively determine if my video card is faulty?

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16 Feb 2018
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I don't have another pc to try it in, just to get that out of the way.

I'm running Win 7 Ultimate, and a Radeon HD 6600, Intel i5 2500 and dual monitors which are at different resolutions.

The issue I have is that sometimes when I'm streaming video on the main monitor both screens either go black, or they go to solid random colors, and then switch off and back on. Sometimes it says the display driver has failed and recovered, sometimes nothing happens and everything works fine, and sometimes (though not since a clean install of Windows) I would get a BSOD which mentioned ATIsys or something like that (sorry don't remember exactly).

Trying to game on Steam didn't work because it would crash too, even on older games.

It's almost impossible to replicate the crash, like I said if I'm streaming video from any number of sites sometimes it works fine, other times the monitors freak out.

If I need a new GPU I'm good with that, I'm just trying to figure out the best way to make a conclusion.
 
I think your CPU has internal graphics built in. I suggest uninstalling the GPU and run the onboard graphics for a little while or set it to loop FurMark or 3DMark.
 
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