cinnamon doesn't start, bumblebee problem

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http://unix.stackexchange.com – I have Linux Mint 13 64 bit version with cinnamon, NVdia Geforce 320m, proprietary driver 304.54 if I'm not mistaken. I installed bumblebee following this guide: sudo add-apt-repository ppa:bumblebee/stable sudo apt-get update sudo apt-get install bumblebee bumblebee-nvidia linux-headers-generic Rebooted, and now I have 640x480 resolution, half-broken gnome 3 was loaded (there are no buttons to log out or reboot, no animations of course). When I try to run nvidia-settings I get: You do not appear to be using the NVIDIA X driver. Please edit your X configuration file (just run `nvidia-xco (HowTos)