VGA change on Suse 10.2

Hi to all.
I have a pc with OpenSuse 10.2 and win. Three months ago, I’ve changed the VGA and I’ve installed a new ATI Radeon (before there was a GeForce 6600). With the new VGA, my Suse doesn’t start and I receive an error, in command line, before the login screen…
How can I do to install the new driver and repair my suse?
Thanks a lot

You need the drivers for the new card have a read here

/Geoff