Install Nvidia Official .Run Driver in Ubuntu 12.04

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http://ubuntuguide.net – This brief tutorial will show you how to install nvidia driver the .run package downloaded from official site in Ubuntu 12.04 Precise. It’s a little different since Ubuntu turns to LightDM display manager. 1. Make a backup of /etc/X11/xorg.conf file. 2. Download official nvidia driver from http://www.nvidia.com/page/drivers.html. For now, the latest is 304.22 beta 3. Press Ctrl+Alt+F1 to navigate to tty1, enter user and password to log in. Remove installed driver if any: sudo apt-get remove --purge nvidia* 4. Stop X with this command: sudo stop lightdm 5. Execute the .run file you dow (HowTos)