Next time the problem starts happening please run: journalctl -b0 > journal.txt
and attach the resulting text file here. Separately, please also try selecting 'Ubuntu on Wayland' from the login screen, just before you enter your password. ** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu) ** Changed in: xorg-server (Ubuntu) Status: New => Incomplete ** Summary changed: - Video Flicker + [i915] Video Flicker ** Summary changed: - [i915] Video Flicker + [i915] Dell Latitude 5285 video flicker when an external monitor is connected -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1902810 Title: [i915] Dell Latitude 5285 video flicker when an external monitor is connected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1902810/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp