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This guide will help you configure the proprietary fglrx module under Ubuntu 12.10. I will not be covering the open source radeon module included with Xorg because its configuration is normally handled automatically by Ubuntu. We also wont be covering the radeonhd driver as these are still in an early stage.
AMD provide their own license for their driver. You will need to read and accept this license before proceeding.
You should run a full update for your installation of Ubuntu to ensure you have all the latest packages installed before proceeding.
There appears to be some sort of bug in Ubuntu 12.10 which causes the headers files not to update when there is a kernel update. Type the following into the terminal to fix this issue:
sudo apt-get install linux-headers-generic
Without this a kernel update will cause your nvidia driver to stop functioning.
Ubuntu 12.10 includes the fglrx module which makes installation quite easy. Here is how:
1. Launch the Software Sources program. Click on Dash Home (the Ubuntu button on the top left of the screen), type sources and then click on Software Sources.
2. Click the Additional Drivers tab.
3. Enable the AMD proprietary FGLRX graphics driver driver.
Like many things in Ubuntu this is nice and easy.
If you are unable to launch the GUI and are forced to install the driver from the text console follow these instructions.
1. Type in the following:
sudo apt-get install fglrx
2. Reboot the computer and the fglrx module should load.