My friend has an eMachines T3256, and he just put in a GeForce 6200. He used to use his GeForce 4 Mx4000 onboard graphics before. Now, the game will be running fine for a minute and all of a sudden lag like crazy, and take a minute to recover. He did not have this problem with his old vid card. He meets the power supply requirements with a 300watt max output, and it seems to run fine on other games that do not require steam. Can anyone explain this, please?