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I installed Ubuntu 12.04.2 LTS on my Dell Inspiron laptop. I have an Nvidia GeForce GT 525M graphics card but lspci shows 540M? I am unable to install nvidia drivers for this card now.

I also asked another question about unable to install nvidia drivers here.

I tried the solution mentioned in this answer, but doesn't work.

Sorry if it is inappropriate to ask two questions about the same thing...

Edit:

Result of

lspci| grep VGA
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
01:00.0 VGA compatible controller: NVIDIA Corporation GF108 [GeForce GT 540M] (rev a1)

optirun glxspheres
[ 1053.429303] [ERROR]Cannot access secondary GPU - error: [XORG] (EE) NVIDIA(0): Failed to initialize the NVIDIA kernel module. Please see the


[ 1053.429348] [ERROR]Aborting because fallback start is disabled.
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vegeta
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  • These two cards are identical aside from how fast the core/processor and memory runs on the cards. – Rinzwind Mar 22 '13 at 19:12
  • See the comment made by Lekensteyn here: http://askubuntu.com/questions/240825/how-to-make-nvidia-optimus-gt540m-work-on-ubuntu-12-10 Here too the next comment states it DOES work. If not it might be worth while to edit your question with the results from the commands used in that topic. – Rinzwind Mar 22 '13 at 19:12
  • Rinzwind: Thanks for the solution, now I do have some drivers installed, but on running a simple CUDA program it shows CUDA driver version is insufficient for CUDA runtime version. Would you be able to help out with this? – vegeta Mar 22 '13 at 20:23

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