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Could somebody please explain to me how I use my 740M GPU from Nvidia instead of the HD4000 form Intel?

I am using Ubuntu 13.04 on a Asus N56VB

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Have you installed the NVIDIA driver? – Alvar Sep 26 '13 at 16:08
The driver can't be installed as usual. See my answer, there is how to do it. – Pavak Paul Oct 31 '13 at 12:41

Actually you have hybrid graphics. Means that you have two graphics cards, Intel HD for power saving and nVidia for performance. You have to install Bumblebee to install nVidia graphics driver. Here is how to install bumblebee: ( )

You need to open your terminal and enter the commands below.

If on 12.04.3, replace linux-headers-generic with linux-headers-generic-lts-raring.

(not needed for 13.10 Saucy and newer)

sudo add-apt-repository ppa:bumblebee/stable

Enable the Universe and Multiverse repositories (for bumblebee and nvidia packages respectively).

sudo apt-get update

Install Bumblebee using the default proprietary nvidia driver:

sudo apt-get install bumblebee virtualgl linux-headers-generic
sudo reboot 

For Ubuntu 14.04:

Run these commands in terminal

sudo apt-get install bumblebee bumblebee-nvidia primus nvidia-331

Now you have to install Bumblebee GUI to manage apps to be opened using nVidia. Here is the instructions: ( How to install Bumblebee-UI (GUI) in Ubuntu 12.04 )

Install Python App Indicator:

sudo apt-get install python-appindicator

Install Git:

sudo apt-get install git

Make a directory for git:

mkdir git && cd git

Check out the repository:

git clone
cd bumblebee-ui
sudo ./INSTALL

Go to Startup Applications and add /usr/local/bin/bumblebee-indicator

Now reboot again.

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