BSOD when playing games or modifying settings.

[Guzzie]

5 minutes ago i tried to change my screen resolution and the BSOD came again.
Yesterday i tried to run BF3 and the BSOD came again.
Could someone help me with that?

 

[TrainableMan]

Start by upgrading to Service Pack 1.

HERE are some other ideas/things to consider after you have upgraded.