I had the same problem yesterday, although I could not reenable the second monitor with the xrandr command. I had to restart my computer.
-- Leaving Fullscreen in Totem causes second monitor to be disabled https://bugs.launchpad.net/bugs/146590 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