Hello, I have a nVidia Geforce 8800 GT and lately I've experienced an interesting problem. If I try to play a game, watch a dvd, or use the computer too long, something along the lines of the screenshot will happen. No, this isn't from my computer, or even a game I've played, but this is what it looks. I will either be forced to reboot or get a blue screen, which occasionally says there's an error with "nv4_disp" or "nv4_disp.all". When the computer comes back, I'll recieve an error saying the display drivers were caught in an infinite loop. Last night, after the computers colors went bad and I had to reboot, I could't get to the desktop without getting the blue screen. This happened numerous times. When I finally got to the desktop, I recieved the serious error again saying the drivers were caught in an infinite loop. I've unistalled and reinstalled the display drivers, and even had the video card replaced. I really don't know what to do anymore. And sorry, but I'm not THAT computer savvy, but this is the best I can explain it. Thank you. Oh, and I have a Dell XPS/Dimension XPS 720.