Install xserver-xorg-video-r128 by entering the following commands in the terminal:
sudo apt update sudo apt install xserver-xorg-video-r128
Description:
X.Org X server -- ATI r128 display driver
This driver for the X.Org X server (see xserver-xorg for a further description) provides support for the ATI Rage 'r128' series. . This package is built from the X.org xf86-video-r128 driver module.
Homepage: https://www.x.org
Version: 6.10.2-1build1
Section: universe/x11