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Windows Aero on NVIDIA Optimus?

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Hi there,

I've got a Dell XPS L502X and I'm having problems with Windows Aero enabled and the Integrated Graphics driver crashing and reloading.

I've configured the laptop to run everything on the NVIDIA graphics in the Global section, and the issue seems to happen when using AutoCAD 2012 LT (which has been configured to run on the NVIDIA card in the individual applications section as well).

I can't seem to force "dwm.exe" (which I believe is responsible for Aero) to use the NVIDIA card; has anyone got any ideas?

I'm using the drivers available from the Dell website, although I've noticed that NVIDIA have a later version out, so I'm going to try that.

I've looked in the BIOS and can't seem to find any options to switch Optimus on or off.

Has anyone else experienced similar problems; or managed to force absolutely EVERYTHING to run on the NVIDIA card? 

I'm not concerned with battery power, this is essentially a desktop replacement machine anyway.

 

Thanks,

Owen

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