sudo apt-get remove --purge '^nvidia-.*' sudo apt-get install ubuntu-desktop sudo rm /etc/X11/xorg.conf echo 'nouveau' | sudo tee -a /etc/modules#The following command will remove the proprietary Nvidia driver: sudo dpkg -P $(dpkg -l | grep nvidia-driver | awk '{print $2}') sudo apt autoremove # Switch back to nouveau driver: sudo apt install xserver-xorg-video-nouveau $ dpkg -l | grep -i nvidia