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My computer has an NVIDIA GeForce GT 750M graphics card. It's unknown in Ubuntu 12.04. My graphics card is unknown in System Details. In Additional Drivers, no proprietary driver is found.

I tried to install nvidia-current, but it doesn't work. I couldn't even login to Ubuntu after I installed nvidia-current.

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How did you install the driver? – Mitch May 2 '13 at 19:56

Try this. To install Nvidia Drivers, just press Ctrl+Alt+T on your keyboard to open Terminal. When it opens, run the commands below:

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

If that doesn't work, you can download the 32bit or 64bit drivers from Nvidia.

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I have tried to install nvidia-current, but it didn't work and made me can't log in ubuntu...... – grad May 2 '13 at 20:28

NVIDIA driver for GeForce GT 750M is available at (depending on your platform - 32 or 64-bit):

Installation instruction is as follows:

  1. boot into console as root ( how to )
  2. service lightdm stop
  3. cd into the directory containing NVIDIA*.run file
  4. sh ./NVIDIA*.run reboot

Good luck and have fun.

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