How to install Nvidia 349.12 Graphics Driver in Ubuntu 14.04/14.10. You can also install Nvidia 349.12 Beta Graphics Driver in Ubuntu 14.04, Ubuntu 14.10, Linux Mint 17, Deepin 2014 and other popular Ubuntu derivatives.
Install Nvidia 349.12 Beta Driver
Follow the steps given below to install Nvidia 349.12 Beta Driver:
1. Open Terminal (Ctrl+Alt+T) and run the following command below. Write or copy the command and hit enter to add the ppa and update the system:
sudo add-apt-repository ppa:xorg-edgers/ppa
sudo apt-get update
sudo apt-get install nvidia-349 nvidia-settings
2. Enter your user password if asked. Once the Nvidia 349.12 Beta Driver is installed, you restart the system to apply the changes on to the Ubuntu system.
Remove Nvidia 349.12 Beta Driver Graphics Driver
Open Terminal (Ctrl+Alt+T) and run the following command below. Write or copy the command and hit enter to remove the . It is also wise to upate the system after the un-install process.
sudo apt-get remove nvidia-349 nvidia-settings
sudo apt-get update