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Striped screen + furmark freezing

Last response: in Graphics & Displays
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May 14, 2012 11:26:22 PM

Hey guys I recently built this system
I5-3570k
Corsair cx600 v2 psu
8gb corsair lp ram
Powercolor raden 7850 gpu

Everything setup okay, but every so often my screen would freeze and vertical stripes would fill the screen, and the colour of that screen would depend on what task you were doing. The computers sound would still be okay but that could have been the games background music looping. I thought it only happened in games but it has also happened during normal usage.

So i ran a 15 minute burn-in test on furmark, and after about 3-5 minutes and my GPU hitting about 82c max, the screen freezes completely, no error or black screen, just simply freezes and won't respond until I force it to shut down with power button.

I've reinstalled drivers, ran memtest, heat doesn't seem to be a problem. Could this just be a defective card?

Thank you
May 14, 2012 11:43:15 PM

The graphical errors that you're seeing might be artifacts. Have you been trying to overclock lately?
May 15, 2012 5:33:42 AM

faster23rd said:
The graphical errors that you're seeing might be artifacts. Have you been trying to overclock lately?

As far as I'm aware no, everything is set to default/auto unless the motherboard (asus p8z77-v lx) or something else is making it overclock.
!