5850 Problem - Monitor Goes Blank


I recently upgraded to an asus 5850 hd and i'm having one annoying problem with it. Even though i have all my games set to the same desktop and refresh rate as my monitor (1920x1080 60hz), when the game loads or whenever i alt tab, the monitor goes blank and takes a few seconds before popping back on, just like it would do if i was changing resolutions. It never did this with my old video card (8800 gt) and i've also tested 2 different monitors. Any idea what's going on here?

Running the catalyst 9. 11s and win7 64bit. Edit: after further testing it seems that dragon age can alt tab without the monitor blanking out even though it's apparently set to the same settings as the other games. Wow and crysis act like res is changing when alt tabbing though.


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