Installing/uninstalling Fglrx and Catalyst Control Center
1. Before installing new video driver (fglrx) for AMD graphics accelerators and Catalyst Control Center (amdcccle) remove old fglrx and amdcccle with command:
sudo apt-get purge fglrx*
2. Reboot system.
sudo reboot
3. Install the linux generic header.
sudo apt-get install linux-headers-generic
4. Install vide driver and Catalyst Control Center.
sudo apt-get install fglrx-updates fglrx-amdcccle-updates