Ati incompatible with Gnome-shell?
my gnome-shell display screen is tilted/ skewed, how do I fix it? sometimes the screen flashes, how do I fix it? I've installed the ATI Catalyst 11.9
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You need to remove the
fglrx drivers, at the moment (
fglrx 11.9) do not work with GNOME Shell.
You need to access a terminal (press Ctrl+Alt+F1) or boot in to recovery mode (press Shift key right before Ubuntu is supposed to load and keep it pressed until the Grub menu comes up).
Login and run:
sudo sh /usr/share/ati/fglrx-uninstall.sh
Follow this guide: http://wiki.cchtml.com/index.php/Ubuntu_Oneiric_Installation_Guide