also see: http://ubuntuforums.org/showthread.php?t=2297755
every reboot results in having the following contents in /etc/X11/xorg.conf Section "ServerLayout" Identifier "layout" Screen 0 "nvidia" Inactive "intel" EndSection the intel section also displays "none" as acceleration method. ** Also affects: xserver-xorg-video-intel (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1508573 Title: X11 keeps booting in failsafe mode due to xorg.conf having the nvidia set as primary GPU. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bumblebee/+bug/1508573/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs