There are other threads related to this question for Ubuntu 12.04, however THEY DO NOT APPLY TO 12.10. This is not a duplicate of another thread if the referenced thread doesn't answer the question asked.
The latest ATI catalyst for Ubuntu 12.10 I know of is this one:
First Uninstall the current driver AMD with these commands:
To install AMD Catalyst 12.9 in Ubuntu 12.10/12.04/11.10 run the following commands from the terminal:
And then after the installation was finished run this command:
Note: PPA has not been updated so far, but the driver will be updated soon. To install the driver provided by xorg-edgers, open the terminal and run the following commands:
Here is the latest version of Ati Catalyst 12.11 (beta) and 12.10 (stable) that has just been released ,you can find it here : http://www.upubuntu.com/search/label/System hope it will work .
For the purpose of this question: Catalyst = fglrx = proprietary AMD/ATI display driver
The most problems people are having come from the fact that:
Which all comes down to:
If the latest version for you is 12.6 => proceed as per http://askubuntu.com/a/201785/29347
Chips that are indicated 'legacy' (not supported for the latest Catalyst versions):
Chips that ARE supported in 12.10 / by the latest Catalyst drivers:
If you would like to update your ATI / AMD Catalyst Proprietary Display Drivers to the latest release, or would like to try the latest AMD Catalyst BETA drivers, have look at :