This may be a driver-specific issue. Could you please attach your /var/log/Xorg.0.log and the output of lspci -vvnn?
[Setting to xorg for now until we get this info] ** Changed in: xorg (Ubuntu) Sourcepackagename: xrandr => xorg Status: Confirmed => Incomplete -- Ubuntu detects disconnect of external monitor but does not allow first monitor to be moved back to left of desktop, making apps inaccessible https://bugs.launchpad.net/bugs/217968 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