Starting load fallback graphics devices [fail] - nvidia module problem

Starting load fallback graphics devices [fail] - nvidia module problem

-> sudo add-apt-repository ppa:ubuntu-x-swat/x-updates

    sudo apt-get update

    sudo apt-get dist-upgrade

    sudo apt-get install nvidia-current

p.s ) sudo service lightdm stop

        cd ~/Downloads

        sudo chmod a+x NVIDIA-Linux-x86-304.51.run

        ./NVIDIA-Linux-x86-304.51.run