Massive artifacting (HD7950)

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wrknbl

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Nov 12, 2013
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10,510
It usually happens when I stream video, from YouTube for example and has recently started happening when I launch Skype as well. My graphics card is overclocked, but it still happens when I reset the clocks. I have no idea on how to fix it.

This is how it looks.
 
Solution
SoNic67
When you stream videos it uses another block inside the video card, different from the case when you display a 2D image (desktop) or a 3D application - playing games.
It's a hardware video decoding block (UVD 3 in your HD7950) and got damaged at some point (probably by overheating the card while gaming in OC mode). Skype only recently started to support this hardware feature.
I had a few AMD cards (including a HD7950 GHz edition) and they where running hot even without overclocking.
The main clock is not related to this ASIC block, so any modification of the GPU clock will not affect it.
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wrknbl

Honorable
Nov 12, 2013
10
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10,510


The card works absolutely fine when playing games, or doing anything other than the occassional and sometimes often artifacting I'm getting. The temps are absolutely fine as well, despite the overclock. Around 65-75 degrees celcius. So I'm pretty sure it's not dead.
 
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SoNic67

SoNic67

Distinguished
Jun 9, 2012
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When you stream videos it uses another block inside the video card, different from the case when you display a 2D image (desktop) or a 3D application - playing games.
It's a hardware video decoding block (UVD 3 in your HD7950) and got damaged at some point (probably by overheating the card while gaming in OC mode). Skype only recently started to support this hardware feature.
I had a few AMD cards (including a HD7950 GHz edition) and they where running hot even without overclocking.
The main clock is not related to this ASIC block, so any modification of the GPU clock will not affect it.
 
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