Msi afterburner hang my pc on my crossfire.

Superlp12

Distinguished
Feb 18, 2013
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I had 2 Sapphire 280x in crossfire. I was able to overclock to 1220(factory oc 1070) on the core and 1620 (factory oc 1550)on the memory using Sapphire Trixx stable but if I use msi afterburner the pc will hang once I run any stress test. I did disable ulps on both. I am using the artic hybrid cooler, so I am not having temperature issue- loaded around mid 40c for gpu and mid 50c vrm. I had no problem with msi afterburner with single card