How to install the fglrx driver

1.
Install the xorg-driver-fglrx package from the Restricted repository (see Chapter 2, Adding, Removing and Updating Applications).
2.
You now need to configure the computer to use the new driver so run this command in a terminal:

sudo dpkg-reconfigure xserver-xorg

3.
When the dialogue appears and asks whether to do automatic detection of your video, pick Yes.
4.
When asked to select a driver, pick fglrx.
5.
Follow the remaining instructions as appropriate.
6.
Restart your machine for changes to take effect.

https://help.ubuntu.com/ubuntu/deskt...n-introduction

or try

http://wiki.cchtml.com/index.php/Ubu...allation_Guide

Run fglrxinfo to see if the driver loaded


thanks to notbad on the overclockers.com forums!