Others have also noted this problem with NVIDIA 8 and 9 series cards as well as a few people with ATI cards, so it could very well be a problem inherent in the underlying OS. Some have suggested that Ultimate comes with built-in codecs that could be causing these issues but I cannot verify this. Nothing seems to fix this problem and no one can explain why or how this is happening. Each time I made sure to completely uninstall all related NVIDIA drivers and run driversweeper to erase any/all nvidia related files before rebooting and installing a different version. I have tried various codec installations, un-installations, and have tried many NVIDIA graphics drivers ranging from the latest 190.* drivers all the way back to the 181.* drivers (even tried a couple of the 181.* drivers in Vista 圆4 compatibility mode) to no avail.
I posted up on several forums and got various answers to try and fix the problem, none of which have worked. I can watch a clip in XP SP3 that looks great, switch to Win7 and it looks terribly grainy and pixelated at the same window size. When I first transitioned to Win7 圆4, I noticed that pictures looked a bit grainy and video output looked terrible.
I watch a lot of videos and various formats on my desktop, as well as do some freelance photography with a DSLR, so I'm very in tune with picture and movie quality. I have been running this setup with Windows XP flawlessly for a year or two.
My setup involves an ASUS P5E motherboard running an Intel Q9450and a NVIDIA 8600GTS graphics card.
The issue I am about to describe has been present in every build that I have tested and continues to persist without explanation. I have been testing Windows 7 圆4 from the first beta and RC up through current RTM, in which I have purchased the official Win7 圆4 Professional Upgrade of which I am planning to install shortly.
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