If you just recently purchased a laptop with 8600M GT i would return it, as i have heard lot of people complain about them after long period of usage their performance will drop by a huge portion. Also the temp will be higher than average.
PSN: kurosagi01|steamid: phalanx-88| xfire: itachiasuka
Laptop: HP Compaq 6735s
AMD Turion X2 2.0GHZ|4GB DDR2 667|250GB HD|ATI Radeon HD3200|Windows 7 Ultimate 64-bit