Topic Title: HD 4870 X2 problems with 12.4 & 12.6 drivers
Topic Summary: In 2D, one core stays underclocked, but the other doesn't
Created On: 12/03/2012 12:08 PM
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 12/03/2012 12:08 PM
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Hi there! So my problem is - when I boot my PC (even from sleep mode), my 1st core stays in 507/500 MHz, but 2nd is in 750/900 MHz mode (I don't OC) when I install 12.4 or 12.6 drivers... It's ok with 12.2 (I downgraded yesterday). 12.3 can't install (installation gets stuck). The only solution to this was to turn on & off a 3D game. After this procedure, clocks went back to 507/500. But every time I booted my PC, the clocks were messed up (with 12.4 & 12.6 drivers)...

Any advice? Thanks!


My PC specs :

Win 7 Ultimate 64-bit

Core 2 Quad Q9550

Gigabyte HD 4870 X2


Edited: 12/03/2012 at 05:44 PM by gana14
 12/04/2012 03:05 AM
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I have a ATI RADEON HD 4870 card. when i boot my pc first time
it works fine. But if i reboot my pc display card not work. so i turn of pc and disconnect pc from power. After couple of hours card works again. please help me to find some solution. How about bios flash? will it work?

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