Thanks for the bug report. Please try logging into 'Ubuntu on Xorg' (select it on the login screen) and tell us if that has the same bug.
Also, bugs like this are often caused by a faulty connection. It could come and go at times when the amount or the structure of data over the cable (DisplayPort??) changes. So please try a different cable if you can. ** Package changed: wayland (Ubuntu) => mutter (Ubuntu) ** Changed in: mutter (Ubuntu) Status: New => Incomplete ** Tags added: multimonitor -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1928932 Title: external monitor disabled upon editing file with vim To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1928932/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs