Install fbset by entering the following commands in the terminal:
sudo apt update sudo apt install fbset
Description:
framebuffer device maintenance program
Program to modify settings for the framebuffer devices (/dev/fb[0-9]* or /dev/fb/[0-9]*) on Linux, like depth, virtual resolution, timing parameters etc.
Homepage: http://users.telenet.be/geertu/Linux/fbdev/
Version: 2.1-30
Section: admin