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Unigine Heaven demo dx11 freeze

Last response: in Graphics & Displays
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December 5, 2009 11:09:58 PM

I received my 5870 a few days ago, and decided to try out Unigine's Heaven demo. It works great in DirectX 9 & 10 modes, but freezes up when I try to run the demo using dx11. The program loads up as it normally would, then locks up right before the demo begins. I've tried reinstalling 9.11 drivers (used driver sweeper), and even tried the Dirt 2 hotfix, but alas, the problem persists. I've run dxdiag to make sure I'm running dx11. My drivers and BIOS are up to date, and my temps are normal. Anyone out there have any ideas or similar problems? Hopefully I'm overlooking something...

Win 7 pro 64
PhII 940 @ 3.6
XFX 5870
2x2 gigs DDR2
Foxconn A79A-S mobo
Tagan 700 watt psu
December 6, 2009 12:15:48 AM

Well, all of the other dx11 demos work just fine. Must be a compatibility issue with my hardware. Thanks for the advise.
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