@Adam Bruce: I suggest you read these guides on how to use Bumblebee to enable Optimus support as that seems to be the issue at hand...
https://wiki.ubuntu.com/HardwareSupport/Machines/Laptops/Dell/XPS/15z https://wiki.ubuntu.com/Bumblebee Let me know if this helps... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1125759 Title: SNA enabled causes Intel integrated graphics to only boot in low graphics mode To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1125759/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs