Install xserver-xorg-video-trident by entering the following commands in the terminal:
sudo apt update sudo apt install xserver-xorg-video-trident
Description:
X.Org X server -- Trident display driver
This package provides the driver for Trident Blade/Image/ProVidia/TGUI/9xxx video cards. . This package is built from the X.org xf86-video-trident driver module.
Homepage: https://www.x.org
Version: 1:1.3.8-1build1
Section: universe/x11