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Help with AMD gpu when overclocking

post #1 of 6
Thread Starter 
Hello!

The problem is that if I clock gpu core clock from 1070MHz to 1200MHz and memory clock from 1400MHz to 1500MHz and I go into game, then it crashes and I get lightblue screen.That`s only if I overclock.Also I had before driver problem when display driver stopped working, it was atikmdag.sys .

I can´t use core voltage in MSI Afterburner.How to enable that?

Windows : 8.1 Pro 64-bit
Motherboard : ASRock 990FX Extreme3
GPU : Sapphire Radeon R9 270X Dual-X
post #2 of 6
Your card requires more voltage to reach those clocks, hence its fails. Also, try using the Sapphire Trixx utility. It works better with Sapphire cards and even allows manual voltage control.
post #3 of 6
Thread Starter 
How many voltages this clock needs?
post #4 of 6
Quote:
Originally Posted by renks051 View Post

How many voltages this clock needs?

It usually depends on the card. You set the max frequency you current voltage could achieve. If it BSOD's (Blue screens) add voltage in steps of .05v and then test
post #5 of 6
Thread Starter 
Quote:
Originally Posted by huzzug View Post

It usually depends on the card. You set the max frequency you current voltage could achieve. If it BSOD's (Blue screens) add voltage in steps of .05v and then test

I have 1.225 so increase it with 0.05 until it´s stable?
post #6 of 6
Quote:
Originally Posted by renks051 View Post

I have 1.225 so increase it with 0.05 until it´s stable?

Also, raise your core clock slowly, don't just bang it to 1200Mhz.
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