Using displayconfig-gtk isn't a good idea, and can lead to an even more broken config. Even if it does give the illusion that it works, it isn't the correct way to do it. The most likely culprit is having no virtual screen size defined in your /etc/X11/xorg.conf, which is a known bug.
Please post all of the information requested by Jon anyway. In addition, please try adding a virtual screen size as explained in http://www.thinkwiki.org/wiki/Xorg_RandR_1.2#the_Virtual_screen. In addition, you could try booting with the external screen already connected to see if yuor results are different. Thanks -- Dual monitors, but always same content? https://bugs.launchpad.net/bugs/253250 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