The beta drivers do not work with cat 10.9. I have had to roll back to 10.6 drivers - from a restore point i made a while back. I have not tried 10.7 or 10.8.
System is Win7 x64, i7, 8 gb ram, ATI 5970, Samsung P2370HD 1920 x 1080, ViewSonic VA 2213wm 1920 x 1080 and IBM Thinkvision 19inch DVI 1280 x 1024.
Samsung and ViewSonic are off the 5970. The ThinkVision is on a
Winstar USB to DVI adapter
Display Link and ATI should have a good chat about this issue. I don't want to be stuck on these catalyst drivers.
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This is an identical post to a reply I made in the
Blue screen of beath :/ thread in these forums.