If I give this a shot, do I need to clean off the heatsink and apply new thermal paste?

Hey, y'all... I just received my T61 back from EasyServ yesterday; they replaced the "Planar Card ASM External Video"--which I assume is the Nvidia 140m in the machine. The problems I had before the repair--"memory parity" BSODs--have gone away. But an equally annoying problem has now cropped up; wh...

I had similar issues, even after a clean install of Vista Home Premium on my T61.

Things seemed to clear up when I removed some of the ThinkVantage software that I didn't need. The uninstallation of the Productivity Center, especially, ended my frequent lock-ups.

Asked this question over at the NotebookReivew.com forums, to no avail (at least not yet). Any idea where the registry key for the ThinkVantage key is in Vista? ThinkWiki has instructions for XP and Win2000, but not for Vista. I've uninstalled the Productivity Center, and I'd like to reassign the bu...