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 Desktop Packages, which is subscribed to nvidia-prime in 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 Status in “nvidia-prime” package in Ubuntu: Incomplete Bug description: Hello, Y580 is an optimus laptop. I have installed nvidia prime and are using binary driver 331.38. I open NVidia settings and choose to switch from Intel card to NVidia one. When I do so (and enter my password), I get an empty error message box and the display gets back to Intel card. The console prints just this: "astral@Lenovo-IdeaPad-Y580:~$ nvidia-settings ** Message: PRIME: Requires offloading ** Message: PRIME: is it supported? yes ERROR: " ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: nvidia-prime 0.6.2 ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 CurrentDesktop: Unity Date: Sat Apr 19 00:08:37 2014 InstallationDate: Installed on 2014-04-05 (13 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Daily amd64 (20140405) SourcePackage: nvidia-prime UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1309773/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
