Quote Originally Posted by vodka3dg View Post
i'm having trouble overclocking my pair of sapphire HD6850 via AFB 2.1 beta 4

getting loads of BSOD's.

gonna try to reinstall catalyst and then report back but would be interested in kowing if anybody else had this issue.
Disable ulps
http://forums.guru3d.com/showthread.php?t=327291