@Hamish: that is a problem with bbswitch: [ 17.706791] bbswitch: cannot find ACPI handle for VGA device 0000:01:00.0 [ 17.706792] bbswitch: No discrete VGA device found
Please file a bug report against bbswitch. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1310023 Title: 14.04: Nvidia Prime is unable to switch to the Nvidia card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1310023/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs