Install xserver-xorg-video-all by entering the following commands in the terminal:
sudo apt update sudo apt install xserver-xorg-video-all
Description:
X.Org X server -- output driver metapackage
This package depends on the full suite of output drivers for the X.Org X server (Xorg). It does not provide any drivers itself, and may be removed if you wish to only have certain drivers installed.
Homepage: http://www.x.org/
Version: 1:7.7+19ubuntu7
Section: x11