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GPU Artifacting only when cool

F

false74

n00b
Joined
Jun 9, 2013
Messages
1
This recently started on my macbook pro (running windows 7) with an integrated AMD Radeon HD6490M. I would notice red, green, and blue block artifacting and at some points the driver would crash (which happened both in MacOSX and win7).

I have tried different driver versions with no difference and I have even tried underclocking the card to see if that would help, which it did not.

I first thought it was overheating so I pushed my cpu and gpu fans to full rpm and noticed when my gpu went under under 58C degrees it became worse and worse. however, when I let it heat up to above 60C it would stop artifacting and crashing. :confused:

The card runs stable when it hovers above 60C degrees which leads me to believe it is a hardware issue and that a possible fix would be to "reflow" the gpu/logic board

Has anyone else experienced this before?
 
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