Originally Posted by Redeemed
First tip: When install drivers *always* do a fresh install. Meaning make certain you fully remove the prior drivers before installing the ATi drivers. Even if you are going to upgrade from a set of Catalyst drivers on your computer to a newer version- FRESH INSTALL... remove the old Catalyst drivers first, then install the new ones. This will spare you many headaches.
I always have uninstalled nvidia drivers and ran driver sweeper in safe mode anyway before re-installing any new drivers .... So im used to doing that.