^ Reformat. If you don't want to get a friend who can. If you can't do that either, it depends on the operating system. Vista has a nice performance manager which monitors specific tasks and what resources they eat up. I think XP had something similar, or at least a free download from somewhere.
Tag(thx fkusumot) - "Yet again I completely fail to see your point..."
HD vs Wii, PC vs HD: http://www.vgchartz.com/forum/thread.php?id=93374
Why Regenerating Health is a crap game mechanic: http://gamrconnect.vgchartz.com/post.php?id=3986420
gamrReview's broken review scores: http://gamrconnect.vgchartz.com/post.php?id=4170835