Add the following in /etc/X11/xorg.conf: Section "Extensions" Option "Composite" EndSection In the "Device" section, add: Option "AddARGBGLXVisuals" "True" In the "Module" section, add: Load "extmod" 3. Logout, login again and type: desktop-effects Enable the effects, and you're set with the beta driver chitlesh -- http://clunixchit.blogspot.com