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$ sudo apt-get remove --purge '^nvidia-.*'
$ sudo apt-get autoremove
$ sudo rm /usr/share/X11/xorg.conf.d/20-intel.conf
$ sudo rm /etc/X11/xorg.conf
$ sudo rm /var/log/Xorg.*
$sudo apt install nvidia-prime
$ sudo prime-select nvidia
$ grep blacklist /etc/modprobe.d/* | grep nvidia
sudo rm /etc/modprobe.d/blacklist-framebuffer.conf
$ sudo rm /etc/modprobe.d/nvidia-installer-disable-nouveau.conf
$ grep blacklist /lib/modprobe.d/* | grep nvidia
$ sudo rm /lib/modprobe.d/blacklist-nvidia.conf
$ sudo rm /lib/modprobe.d/nvidia-graphics-drivers.conf
$ sudo apt-get install nvidia-driver-430
$ sudo reboot