Created attachment 87451 dmesg-3.12.0-rc4-00468-g16b4e9b + switch in grub Here is dmesg with other workaround. I started laptop with attached VGA and switched it default screen in grub with Fn+F8 button. After it both displays work OK.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/946311 Title: only external screen is working with asus zenbook ux31e [eDP1] To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/946311/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs