Hi Praveen, Have a look at your syslog, it says:
Aug 16 18:27:15 bhisma bumblebeed[2132]: Module bbswitch could not be loaded (timeout?) Aug 16 18:27:15 bhisma bumblebeed[2132]: No switching method available. The dedicated card will always be on. Aug 16 18:27:15 bhisma bumblebeed[2132]: /usr/sbin/bumblebeed 3.2.1 started The nouveau driver does not seem to support your graphics card either: Aug 16 16:00:49 bhisma kernel: [ 5.922415] nouveau ![ DEVICE][0000:01:00.0] unknown Fermi chipset Aug 16 16:00:49 bhisma kernel: [ 5.922454] nouveau E[ DEVICE][0000:01:00.0] unknown chipset, 0x0d7000a2 Aug 16 16:00:49 bhisma kernel: [ 5.922490] nouveau E[ DRM] failed to create 0x80000080, -22 Aug 16 16:00:49 bhisma kernel: [ 5.922702] snd_hda_intel 0000:00:1b.0: irq 48 for MSI/MSI-X Aug 16 16:00:49 bhisma kernel: [ 5.924560] nouveau: probe of 0000:01:00.0 failed with error -22 You are running a pre-compiled mainline kernel I guess: Linux bhisma 3.8.3-030803-generic #201303141650 SMP Thu Mar 14 20:51:08 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux ...though you do not have the corresponding kernel headers installed (from bumblebee-bugreport): === Modules information === ERROR: Module bbswitch not found. ERROR: Module nvidia not found. ERROR: Module nvidia-current not found. filename: /lib/modules/3.8.3-030803-generic/kernel/drivers/gpu/drm/nouveau/nouveau.ko Try installing the linux-headers packages associated with the kernel image. Regards, Peter -- Mailing list: https://launchpad.net/~bumblebee Post to : bumblebee@lists.launchpad.net Unsubscribe : https://launchpad.net/~bumblebee More help : https://help.launchpad.net/ListHelp
