minal. If the vendor string is not ATI, but Mesa, check [[#Removing Mesa drivers]]
==== Post-Installatio... place, even though you have installed ATI driver, check:
*Remove the package xserver-xgl.
:<code>sudo ap... t allow direct rendering on your display. You can check out if this is what it causing the problem by run... ompiz stopped working due to "Composite" problem, check that the following is set in the /etc/X11/xorg.co