User blog comment:Komodo Saurian/Metro walkthrough/@comment-10363089-20120103012608/@comment-10363089-20120103025137

Hmm, strange, could be something to do with fraps (im assuming you use fraps). Perhaps it is programs running in the background, try a program called gamebooster, it worked like a charm for my old laptop, it just shuts down all the unused programs and speeds up the CPU