@Antonio: what Ubuntu release are you using? Also, please attach the output of the following command:
lspci -Dn -- 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/1207626 Title: Hybrid graphics doesn't work with pci classes other than 300 Status in “fglrx-pxpress” package in Ubuntu: Fix Released Status in “nvidia-prime” package in Ubuntu: Fix Released Bug description: Unable to log into unity corretly, where intel graphic chipset can work correctly when removing nvidia driver. Affected graphic card: 01:00.0 3D controller [0302]: NVIDIA Corporation GF117M [GeForce 610M/710M / GT 620M/625M/630M/720M] [10de:1140] (rev a1) ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: nvidia-319 319.32-0ubuntu5 ProcVersionSignature: Ubuntu 3.10.0-6.17-generic 3.10.3 Uname: Linux 3.10.0-6-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.11-0ubuntu1 Architecture: amd64 Date: Fri Aug 2 01:38:26 2013 InstallationDate: Installed on 2013-08-01 (0 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130731) MarkForUpload: True SourcePackage: nvidia-graphics-drivers-319 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fglrx-pxpress/+bug/1207626/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp