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Unity doesn’t load, no Launcher, no Dash appears
I logged in to ubuntu and this is all I see.

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.
sudo apt-get install compizconfig-settings-manager python-compizconfig. In terminal typeccsm, Now in the plugins, check whetherunity pluginis checked or not. If not, please check it. – Web-E Jan 30 '13 at 09:51