This has been a figgin nightmarE!!! I have a new Dell Vostro 220 and I'm running software that requires me to shut down graphics acceleration. When I go to Display and settings and troubleshoot, the change settings box is greyed out. So, I changed from the onboard video to a Nvidia Geoforce 8400 GS card. Everything works fine, but the box is still greyed out and I cannot get to the graphics acceleration box.