Driver for Integrated Display on Lenovo 420s Core i7

Question

I am looking for the drivers for Integrated Display on Lenovo 420s Core i7. This computer has the nvidia optimus option. Can anyone point me in the right direction?

possible duplicate of Which driver should I use? Nvidia's or Ubuntu's? [Optimus related] — fossfreedom, Jun 24 '11 at 17:34

score 2 · Accepted Answer · edited Apr 13 '17 at 12:23

To turnoff nvidia graphics card and use it only when required install The Bumblebee:

If you are on 11.04 or older , you will need new drivers, run

sudo add-apt-repository ppa:ubuntu-x-swat/x-updates
sudo apt-get update

Add the Stable Bumblebee Releases PPA and install Bumblebee using the proprietary NVIDIA driver:

sudo add-apt-repository ppa:bumblebee/stable
sudo apt-get update
sudo apt-get install bumblebee bumblebee-nvidia

If you have 32-bit applications like Wine, and run 11.10 Oneiric or later, you will need extra libraries:

sudo apt-get install virtualgl-libs:i386

Allow yourself to use Bumblebee by adding yourself to the 'bumblebee' group. (replace $USER by your username)

sudo usermod -a -G bumblebee $USER

Reboot or re-login to apply the group changes

If you'd like to run a program on the nvidia card now, use the optirun program:

optirun firefox &

Driver for Integrated Display on Lenovo 420s Core i7

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