My PC can run Team Fortress and L4D2 on full graphics and Crysis on High so I'm sure it isn't the Graphics card. I have dropped the graphics to the lowest setting but the problem still persists. After one and a bit matches the game becomes as if I am lagging and the audio becomes stuttery. The mouse in the menu becomes sluggish too. So I'm confident its not my internet connection. :? Any Help would be grateful?