Ok right now i run a Asus N6600(Geforce 6600)...heres the story i play World Of Warcraft and the game once in a while will freeze and just forces me to restart...i have enough RAM i got 1gig(basically minimum) but i am experiencing like white lines sometimes just one part of my screen once a while and also when i click on someone in the game theres a green circle underthem which is normal but theres green line under them aswell...windows has told me or AOL i cant remember but has said i have video card problems....as i look at my Add or Remove Programs I have Nvidia Drivers and Asus Enhanced Display Driver...are these two different things or both the same thing but different companies? I am going to update but am i supposed to delete my old drivers before i install new drivers? Should i have anything else installed Graphics card wise...like the cd(i think its just a driver)