I think that this is a duplicate of bug 1069283, which I experience with all versions of the nvidia drivers. Does it work if you install gdm and configure ubuntu to use that rather than lightdm?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1093376 Title: Black screen on boot with Nvidia 310 driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-experimental-310/+bug/1093376/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs