So (sudo bash, etc)
./amd-driver-installer-12-4-x86_64.run --buildpkg Ubuntu/quantal
wait some minutes (5 ?)
Next step required lib32gcc1 that was in conflict with whatever, so couldn't be completed
Reboot: the X-server was down -- So Ctrl-Alt F2 get you to a non graphical shell -- Read:
How do I fix my installation of ATI Catalyst Video Drivers in 12.04 LTS?
Follow everything this fine gentleman says
The step
sudo dpkg -i fglrx*.deb
will anounce an error Traceback File /usr/share/apport/package-hooks/dkms_packages.py line 99, in report.write(open(apport.fileutils.make_report_path(report),'w'))
--and some more--
"Error! Bad status for module build on kernel: 3.4.0-5-generic (x86_64)"
And after that "amdconfig" does not exists --