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Windows 7: Added second GPU for PhysX computing - Windows stuck on CLASSPNP.SYS


15 Sep 2010   #1

Windows 7 Ultimate x64
 
 
Added second GPU for PhysX computing - Windows stuck on CLASSPNP.SYS

Hello.

Im tried add second card (nVidia 8600GT) into second slot on motherboard for PhysX computing. Now if i try boot, my system stuck on "Starting Windows" screen and if I go into safe mod, stuck on loading file "CLASSPNP.SYS".

Where can by problem please?
Thanks for your responds.

My System SpecsSystem Spec
.

15 Sep 2010   #2

 

fill out your system specs please
My System SpecsSystem Spec
15 Sep 2010   #3

Windows 7 Ultimate x64
 
 

Okey, filled.
My System SpecsSystem Spec
.


15 Sep 2010   #4

Windows 7 Ultimate x64
 
 

So nobody know? :/
My System SpecsSystem Spec
15 Sep 2010   #5

Windows 8.1 Professional x64
 
 

Have you tried taking the Physx card out, then booting in to Windows and uninstalling the graphic drivers, then booting up with both cards in and no drivers on?
My System SpecsSystem Spec
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 Added second GPU for PhysX computing - Windows stuck on CLASSPNP.SYS




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