A few months ago I installed Gnome on my Ubuntu 15.10, 15 minutes later I decided to remove and revert back to Unity. I didn't remember how I removed Gnome but I remember reading from AskUbuntu and after uninstalling Gnome the boot animation remained. I didn't mind it.

Last night after a few unsuccessful "do-release-upgrade" attempts to update my ubuntu laptop 16.04 to 16.10, I decided partially update the whole system (package by package) throughout the whole day, I successfully logged into 16.10 but not into unity, gnome. I checked the little box on login screen options to select unity.

What Should I do to start using my ubuntu 16.10 with Unity. I got a few customizations on unity configuration, it would be really cool to keep them intact while reverting if possible.

Any help greatly appreciated. Thanks in advance.

  • Unity is either broken, or was uninstalled. You may or may not be able to keep your customization options. I doubt it, as you were manually upgrading to 16.10 (which I do not recommend). – negusp Oct 26 '16 at 17:48

Open terminal and run following command to reset unity:

unity --reset

Does it work? If no, you could try reinstalling ubuntu-desktop

Run following command one-by-one :

sudo apt-get update
sudo apt-get install --reinstall ubuntu-desktop

Reboot may necessary

sudo reboot
  • unity reset throws "deprecated" warning. But reinstalling ubuntu-desktop solved my problem. All customizations aren't changed. – user611811 Oct 26 '16 at 18:59
  • I'm very glad it worked. – OctaVIve Oct 26 '16 at 19:59

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