Similar to this, xserver-xorg-video-ati.1.6.6.193-1ubuntu1 caused my screen to appear scrambled and unable to navigate through Gutsy. Downgrading to xserver-xorg-video-ati.1.6.6.3-2ubuntu6 and reconfiguring x temporarily fixed the problem.
Similar to this, xserver- xorg-video- ati.1.6. 6.193-1ubuntu1 caused my screen to appear scrambled and unable to navigate through Gutsy. Downgrading to xserver- xorg-video- ati.1.6. 6.3-2ubuntu6 and reconfiguring x temporarily fixed the problem.