en guru encontre esta aplicacion NVCleaner
parece que limpia los registros de la mierda de los drivers Nvidia
NVCleaner is used to remove the registry settings and files as associated with the NVidia detonator drivers, the settings provided with NVCleaner are for the Non-International Detonator 6.x/7.x series.
desinstalo los drivers y lo paso o al reves?, hay x ahi alguno para ATi?
EDITO:
econtre en el txt como hacerlo
--USAGE:
To use this software properly, you should change the display device used by your computer to "Standard Display Adaptor (VGA)". Reboot your machine, and the graphics should be in the low-res default mode. Run NVCleaner, make sure the options are correct, and click on the "Clean" button, all the files and registry settings should be gone. Now you can install the new drivers, hopefully without any configuration throwback problems.
EDITO 2: encontre otro para todo tipo de drivers- Driver Cleaner Professional 1.2 -
a desinstalar toca!