Quote Originally Posted by w7fcoop View Post
Are you using Windows XP or 7/Vista? You can boot in safe mode and uninstall the drivers from device manager.
What he said. If you have Windows, press f8 and startup and choose safe mode. Once logged in, right click on My Computer and go to Manage. You will see Device Manager on the left hand side. Find the video card in the device tree to the right. Remove or install a new driver to correct the issue.