Grzegorz: make sure to remove all the bumblebee package (with sudo apt- get --purge remove), then install nvidia-331 and bbswitch-dkms.
>From the log I can see that the nvidia driver is not loaded (it was probably blacklisted by bumblebee) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1309773 Title: Nameless error when switching to NVidia graphics card from Nvidia settings using PRIME profiles on Lenovo IdeaPad y580 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1309773/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
