Hi Claude, Could you run this command from your terminal and post the results: cat /etc/X11/xorg.conf | grep nv I'm just trying to see if your using the drivers that ship with Fedora Core or the proprietary nvidia driver. -- Jeff Thanks for your help. I got tired of futzing with this problem, and since I'm a relatively new user, and this box had been used for experimenting with Linux, only, I finally decided to hose the installation and begin anew. Nothing like a house cleaning to force one to relearn, and revisit install problem from the perspective of what's been learnt from many failed experiments. So, I can't do your experiment. The fresh installation identified the Radeon without incident, and I'm now yumming my way back to all the current packages. I really didn't lose much doing this, and since this machine will be migrating to a new role soon, as the anchor of my home network, and apache front on the web, this is useful. Again, thanks for your interest.