Recently study Ros operating system, need to use Ubuntu as the basis, so installed a, used to do the development has been used in CentOS, with Ubuntu some not used to. Because the Ros simulator needs to use the 3D simulation, so installed ubuntu12.04 after a look at the video card to identify the No, the results are very sad to find that the graphics drive is unknown. It seems that Ubuntu support for my dual graphics card is not very good, have to solve their own hands.
My machine is Shenzhou a460p-i7, the configuration is I7 2630, integrated graphics card, there is a single display gt540m.
To find information on the Internet, as if many people have similar problems, fortunately there are a lot of old mostly solved, I just follow the steps to be able to.
1th Step:
sudo apt-get install Xserver-xorg-video-intel
2nd Step:
sudo add-apt-repository Ppa:xorg-edgers/ppa
sudo apt-get update
sudo apt-get upgrade
3rd Step
sudo apt-get install bumblebee Bumblebee-nvidia
sudo reboot
4th step
sudo apt-get install mesa-utils
Once you're done, you can see your integrated graphics in the system view details.