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Possible Duplicate:
Desktop does not show when I installed nvidia drivers!

Yesterday, I have installed and updated Nvidia driver from Ubuntu Software Center. After restarting my PC launcher disappeared like in screen:

enter image description here

I have restarted, updated and re-installed Unity. But it doesn't work for me. I think there is problem with graphic/nvidia configuration.With Nvidia 520M

1 Answers1

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try go to compiz settings manager.To install it run command

sudo apt-get install compizconfig-settings-manager

and check if ubuntu unity plugin is enabled

enter image description here

also check decorating windows is enabled in effects. enter image description here

if not working you can try this

 setsid compiz --replace

and restart unity with

unity --replace