Disable dedicated display/switch graphics card in ubuntu linux-install the atidriver

In ubuntu linux, disable the dedicated display/switch the graphics card-the reason for installing the atidriver: the CPU temperature in linux is very high, and the fan conversion platform: ubuntu12.10 32/64 bit DRIVER: unzip s12.11-atidriver 1, download ati compressed package amd-driver-installer-catalyst-12.11-beta-x86.x86_64.zip 2, download decompressed open command terminal [plain] $ sudo unzip amd-driver-installer-catalyst-12.11-beta-x86.x86_64.zip 3, switch root, install [plain] $ sudo-sH # sh amd-driver-installer-catalyst-12.11-beta-x86.x86_64.run always enter, until the prompt "yes" is displayed, "AMD Testing use only" [plain] $ sudo vi/etc/ati/signature "is prompted to delete the first line of content UNSIGNED and copy the following content: [cpp] 5da725748a98681ea0dd5ee8eeeff730: pushed: restart click esc [plain]: wq save and Exit 5. Restart [plain] $ sudo reboot sudo apt-get install fglrx