Via dup: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1886672
For me, the issue is fixed when unlocking the screen.
However NOT when resuming laptop after a suspend.
Laptop, using laptop display only > Suspend > Plugin additional monitor > Resume. Only laptop screen is active.
Login > Restart Gnome-shell, second screen resumes.
Via dup: https:/ /bugs.launchpad .net/ubuntu/ +source/ gnome-shell/ +bug/1886672
For me, the issue is fixed when unlocking the screen.
However NOT when resuming laptop after a suspend.
Laptop, using laptop display only > Suspend > Plugin additional monitor > Resume. Only laptop screen is active.
Login > Restart Gnome-shell, second screen resumes.