ricLP

Hello to all pc savy redditors.

I have a Studio XPS Laptop with a core 2 duo t9600, 4 gigs ram and a ati mobility radeon hd 4670. I use Windows 7 home premium 64bit SP1.

When I start playing some games (like neverwinter nights 2, or tropico 3; btw always through steam) everything goes great for around 10 to 15 minutes, but after this the pc really slows down to the point that the games become unplayable. If I exit the game the laptop stays very unresponsive for a couple of minutes (both processors are working at 100%, but I can't find the process responsible for this).

This does not happen if I'm on the internet and at the same time listen to music and have openoffice open. It seems that