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After I updated Ubuntu 11.10, LightDM won't show the Unity entry anymore. What can I do, to get the Unity (3D) entry back? NV drivers are fully working. I installed Gnome 3 weeks before.

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I seem to remember reading that installing Gnome 3 breaks Unity. It was the case in 11.04 and I think still is with 11.10. Re-installing unity and unity-core may bring Unity 3d back although some of the Gnome 3 pieces you installed may also need to be removed.

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Thanks for the fast reply! After reinstalling unity-core it started to work again. –  Marvin Janosch Feb 3 '12 at 9:42

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