cd /home/ptitgui/Desktop/
sudo sh NVIDIA-Linux-x86-1.0-9631-pkg1.run --uninstall &&
sudo apt-get install nvidia-glx nvidia-settings nvidia-kernel-common linux-restricted-modules-`uname -r` linux-restricted-modules-common &&
sudo cp /etc/X11/xorg.conf.ULTIME /etc/X11/xorg.conf &&
sudo /etc/init.d/gdm restart