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I use Ubuntu 12.04. My graphics card is Geforce GT540M.

I opened Synaptic Package manager and installed the following:

  • nvidia-common
  • nvidia-settings-update
  • nvidia-common
  • nvidia-current
  • nvidia-current-updates

The following were installed before(when unity launcher looked normal):

  • jockey-common
  • psensor
  • nvidia-settings
  • jockey-gtk
  • xserver-xorg-video-nouveau

My intention was to use the right Nvidia drivers. But apparently it didn't rightly install the drivers and now I have Unity 2D running!

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post some info about your graphics card. type sudo lshw in the terminal and post the appropriate part. –  Ashu Jul 15 '12 at 15:36
    
I'm sorry, what exactly should I post? Just GPU related? –  learner Jul 15 '12 at 17:27

1 Answer 1

up vote 1 down vote accepted

Execute on a terminal (Ctrl+Alt+T) dpkg -l | grep nvidia- to list all NVIDIA related packages.
Remove them all except nvidia-common, e.g. sudo apt-get purge nvidia-current nvidia-current-updates nvidia-settings-updates.
Install only nvidia-current: sudo apt-get install nvidia-current.

Install via the software center

Reboot your computer.

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Thanks, but this wouldn't work for me, since my card is an Optimus card and there are no proprietary drivers for it on linux. –  learner Sep 23 '12 at 13:23

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