bumblebee and nvidia-prime won't work together. You will have to choose one. As for gpu-manager, maybe the nvidia GPU had already been disabled by bbswitch (as dmesg shows) when gpu-manager ran. This is probably why gpu-manager thinks that you only have the intel GPU.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1446041 Title: Prime-select not allowing switch To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-drivers-common/+bug/1446041/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs