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  • OS: Ubuntu 14.04 LTS
  • Laptop Model: ASUS K53SJ
  • Graphics card: Nvidia GeForce GT 520M CUDA 1GB

Here is the output of my system > details:

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Output of Additional Drivers:

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Output of glxinfo | grep OpenGL

OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Sandybridge Mobile 
OpenGL core profile version string: 3.3 (Core Profile) Mesa 10.6.3
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 10.6.3
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:

Output of lspci:

00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd  
Generation Core Processor Family Integrated Graphics Controller   
[8086:0116]    (rev 09) (prog-if 00 [VGA controller])
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GF119M    
[GeForce GT 520M] [10de:1050] (rev a1) (prog-if 00 [VGA controller])
s.brody
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  • It looks like you have installed a legacy driver for older cards. But your chip should work with the newest available. Is this a Optimus dual video system? Be sure to totally purge old driver before installing any newer ones. And often best to use repository or PPA not nVidia directly. – oldfred Aug 01 '15 at 12:33

1 Answers1

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Run in terminal

sudo apt-get install nvidia-331 nvidia-prime

reboot and run

sudo prime-select nvidia

Nvidia adapter will be used.

Pilot6
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  • Did this. Got black screen on reboot. Can`t login via tty. It won't accept my correct password. – s.brody Aug 01 '15 at 15:10
  • I made a typo in the command. There should be dash in nvidia-prime. But the correct password should be accepted either way. Maybe a keyboard layout issue or caps lock? – Pilot6 Aug 01 '15 at 15:13
  • Won't work with correct password. Typed it at the login promt to be sure. Anything I can do in recovery mode? – s.brody Aug 01 '15 at 16:02
  • You can reset your password there http://askubuntu.com/questions/24006/how-do-i-reset-a-lost-administrative-password/24024?s=1|0.0000#24024 – Pilot6 Aug 01 '15 at 16:04
  • Did that already. same result. Any way to reset my graphics to Intel? – s.brody Aug 01 '15 at 16:09
  • You can nothing to do without a password. It is not related to your graphics. – Pilot6 Aug 01 '15 at 16:20
  • Ran prime-switch intel as root in recovery mode and my system is back running. Only glxinfo | grep VGA returns nothing. – s.brody Aug 01 '15 at 16:22
  • run sudo apt-get purge nvidia* reboot and try to install again. – Pilot6 Aug 01 '15 at 16:27