have to go there (Restricted Drivers Manager) and enable the "ATI accelerated graphics driver". Ubuntu... you probably don't have the restricted repository enabled. See Pre-Installation.
After this, you may ... drivers]]
==== Post-Installation Tweaks ====
To enable hardware accelerated video on pre-R500 cards,... erlay" "on"
:Option "OpenGLOverlay" "off"
:[...]
EndSection
</code>
Note that when Visual Effects (C
