Before proceeding, download the latest version of your NVIDIA graphics card driver from the official NVIDIA website. When you visit the NVIDIA website, you will see the following two options: Get ...
Normally I prefer the manufacturer-supplied drivers over those available through Windows updates. but have you tried the MS-supplied drivers? This early into SP2, they might be better.
Lately, despite my setting in the Device Manager, where I've disabled it, every time I update my Nvidia drivers, it enables Nvidia HD Audio again and this occasionally wreaks havoc. Last night I was ...