TransWikia.com

dual monitors on ubuntu server 20.04 on pi 4

Ask Ubuntu Asked by Mike Burdette on December 12, 2021

i have a dell vga monitor with hdmi adapter. it works but not recognized by system. i try to hook up a 2nd small monitor on hdmi but not working. Ubuntu server 20.04 with gnome on pi 4 8gb not even showing dual displays in display settings. have another on pi 4 4gb with mate—same issue not showing dual monitors in settings and not working. refresh rate is blacking out.

One Answer

I had the same issue running Ubuntu server 19.10.01(64 bit) with Ubuntu Mate (sudo apt-get install ubuntu-mate-desktop.) The Dell monitor would stay active but have a black screen.

I found the answer here: https://www.raspberrypi.org/forums/viewtopic.php?f=131&t=270539&p=1641022&hilit=dual+monitor+ubuntu#p1641022

I modified the /boot/firmware/syscfg.txt(sudo -e /boot/firmware/syscfg.txt) and added the following line:

dtoverlay=vc4-fkms-v3d

Answered by lynnejohn on December 12, 2021

Add your own answers!

Ask a Question

Get help from others!

© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP