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This problem may have been reported earlier but I was unable to find a solution to this. after trying to install Nvidia drivers my Ubuntu session changed to ubuntu-2d and I am unable to restore it to Ubuntu 3d. Which drivers I may need to install/remove to solve this problem?

For further reference, heres a pic of how my workspace switcher looks like when changing workspaces.

Image here

I would like it to be as it was when Ubuntu was first installed.

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Try this :… – Naveen Oct 22 '12 at 13:32
Similar thing happened for ATI :… – Naveen Oct 22 '12 at 13:32
You may purge/remove the driver you installed. – Naveen Oct 22 '12 at 13:33
@Naveen which is the default driver installed? I'd like to change back to it while keeping Nvidia X server, if possible and of less hassel. – VedVals Oct 22 '12 at 13:38
What's the output of lspci | grep VGA ? – Naveen Oct 22 '12 at 13:46
up vote 0 down vote accepted

Found the answer to this question in another question of mine.

For further reference :

How can I uninstall a nvidia driver completely ?

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