Hmmm... You PC is def Not bad from what u told me haha >.< (not that that should Realy matter honestly) But just a heads up You should find out what ur Graphics card is and get the latest drivers (go to start->Mycomputer->Properties->Hardware->Devicemanager->Display adapters->there is ur graphics card Make sure u know if its PCI or AGP before you get the drivers as well... Im realy sorry i dont know What is causing this Problem >.< If i think of something i will be sure to Let you know