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OwenBrooks's Avatar

11.16.2012 , 02:06 AM | #3

I was reading the Nvidia known issues list earlier and it mentioned that Physx was sometimes being set to CPU and would cause poor fps in physx games . Dont know if this will help but it may be worth checking.
[PhysX]: After installing the driver, occasionally the PhysX processor selection in the
NVIDIA Control Panel is set to CPU instead of AutoSelect (Recommended), resulting
in PhysX games running slowly. [1049752]