could you also attach your .xsession_errors to the bug after getting the issue? it's replaced at login to you need to copy it from a command line before restarting your session does use esc or waiting for the timeout after applying the setting work? it should bring you back to the configuration you were using before applying the changes
-- screen resolution dialog couldn't enable external display https://bugs.launchpad.net/bugs/223798 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs