If system is Ubuntu 11.10
sudo apt-get install build-essential cdbs fakeroot dh-make debhelper debconf libstdc++6 dkms libqtgui4 wget execstack libelfg0 dh-modaliases linux-headers-generic
1. http://ati.amd.com download drivers
2. sudo ./amd-driver-installer-12-1-x86.x86_64.run --buildpkg Ubuntu/oneiric
This command can create 3 files
3. sudo dpkg -i fglrx*.deb
4. sudo aticonfig --initial -f
5. sudo reboot
ubuntu 12.10 直接执行安装命令即可
sudo apt-get install fglrx