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7850 Issues

Associate
Joined
26 May 2012
Posts
387
Location
Belfast, UK
I originally had the Sapphire 7850 OC Edition but was having noise level issues with it so it was RMAed, but as there was no stock of it left I got the standard Sapphire 7850 instead and the diffidence refunded.

The 1st issues i'm having is my computer still reads the OC edition clock/memory speeds as the current speeds, but it's wrong as seen in the image.

GPU.jpg


I've tired everything to get it to display properly, fresh install of windows, reset CMOS, try on-board graphics, but nothing seems to make it show the correct speeds. Other programs such Trixx and ASUS GPU Tweak also show the OC values as the current speed so it's not a GPU-Z problem.

Next problem is strange polygons appearing when playing Rage. When I was using the OC card I never noticed these issues. I'm currently using the 12.6 WHQL drivers, but have tried the 12.4 and 12.7 Beta drivers but the problem persists.

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2012_07_21_00003.jpg

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2012_07_21_00001.jpg


I did a reinstall of Rage from a steam backup so maybe it's just missing textures perhaps, but it passed the verify game cache fine. I'd rather not have to re-download 20GB files if it's a problem with the card just.
 
ahh i see,idk why that is,maybe do reinstall of gpu-z or gpu tweak? could try reinstall of ati drivers look in programs folder after uninstall and delete any ati/amd driver folders,then do clean install
 
ahh i see,idk why that is,maybe do reinstall of gpu-z or gpu tweak? could try reinstall of ati drivers look in programs folder after uninstall and delete any ati/amd driver folders,then do clean install

Already done all that. This a fresh install of Windows on a new SSD so there couldn't be any traces of the other card left.
 
seems strange,idk if clearing cmos or loading optimised defaults in the bios might fix it? make a note of all bios settings though as it will wipe them
 
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