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-   -   windows and desktop show black pixelation sometimes (http://www.computerforums.org/forums/hardware/windows-desktop-show-black-pixelation-sometimes-212352.html)

mikee286 08-01-2011 04:51 PM

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.

Indigo 08-01-2011 06:13 PM

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?

mikee286 08-01-2011 08:28 PM

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

mikee286 09-02-2011 05:35 PM

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.

mikee286 09-03-2011 10:57 AM

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

http://img825.imageshack.us/img825/3881/unledspf.jpg

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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