It turns out that the original bugreporter had solved his problem (Nov 22/13):
http://askubuntu.com/questions/379052/latest-update-breaks-nvidia-prime > It turns out the fix for this is actually pretty simple: Delete the /etc/X11/xorg.conf file, and use nvidia-xconfig to regenerate it. This fixed the problem upon restart -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1252442 Title: nvidia-prime breaks on reboot after latest updates To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1252442/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs