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Possible Duplicate:
Unity doesn’t load, no Launcher, no Dash appears

I logged in to ubuntu and this is all I see.

Empty Desktop

I opened up Firefox through the terminal to get here.

I remember swapping hard-drives that had Windows 8 installed in it. And after putting back this hard drive I didn't let Ubuntu start properly and restarted to log in to Windows 8.

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marked as duplicate by belacqua, Eliah Kagan, Bruno Pereira Jan 31 '13 at 12:53

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

install ccsm, sudo apt-get install compizconfig-settings-manager python-compizconfig. In terminal type ccsm, Now in the plugins, check whether unity plugin is checked or not. If not, please check it. – Web-E Jan 30 '13 at 9:51
I deleted your second question. Feel free to create another question post with your second question. – Flimm Jan 30 '13 at 10:14
Possible duplicate: Unity doesn't load, no Launcher, no Dash appears – user25656 Jan 30 '13 at 10:51

You will need to reset compiz and unity settings. Switch to a text terminal by pressing Ctrl+Alt+F1. Login there, and issue the following commands.

gconftool-2 --recursive-unset /apps/compiz-1
unity --reset

You better reboot now

sudo reboot now

Hope this will help you

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will not work for 12.10 – Web-E Jan 30 '13 at 12:10

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