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Old 08-01-2011, 04:51 PM   #1
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Default windows and desktop show black pixelation sometimes

I recently upgraded to a xfx radeon 6670 and since then every once in a while I get weird black pixelation it doesn't look like artifacts but goes away quickly like when I minimize a window and maximize it it goes away. I just downloaded the latest drivers from amd but it still happens.
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Old 08-01-2011, 06:13 PM   #2
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Default Re: windows and desktop show black pixelation sometimes

Is the card overclocked? (either by yourself or from the maker of the card?) if it's overclocked, try turning the clock speed down a bit, or contact the maker of the card for help. If neither of these apply to you, what kind of power supply are you using with it?
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Old 08-01-2011, 08:28 PM   #3
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Default Re: windows and desktop show black pixelation sometimes

I bought a new ultra x4 600w psu right before getting it. It's not overclocked at all
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Old 09-02-2011, 05:35 PM   #4
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Default Re: windows and desktop show black pixelation sometimes

sometimes videos on youtube get all blocky especially fast moving ones. I still sometimes have the same issue even though my card is at stock settings for everything. I really just want to know if this is a driver issue or a defective card. Also sometimes sites will render and the black blocky stuff will be on the page. The page will render that same defect every time I load the page until I clear my history and cache.
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Old 09-03-2011, 10:57 AM   #5
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Default Re: windows and desktop show black pixelation sometimes

here's an example of what I get sometimes on screen. Weird thing is when I scroll so does the black stuff and when I scroll back to that spot it's there



Uploaded with ImageShack.us

this showeed up right after watching an embedded youtube video on the page but in full screen. when I left full screen it was there
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