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The philosophy of free software invites us permanently to "Fiddle" with all settings of the programs and adapt them to our needs. The same happens with Unity, the GNOME shell designed by Canonical that comes by default in the latest versions of Ubuntu. Unfortunately, sometimes by modify something incorrectly, Unity can crash and stop working (at least in its 3D version). The solution? Come in and find out ... |
How to re-zero (reset) Unity?
If, after having dipped into the Unity settings, it stops starting in its 3D version, try running the 2D version from the login screen.
Once Unity 2D is open, press Ctrl - Alt - T to open a terminal.
Finally, run the following command:
unity --reset
Wait a Little while. Lots of error messages may appear, which you can safely ignore.
Then all that remains is to restart the X.
In case you have also modified the icons and want to return them to their original state, enter the following command in a terminal:
unity --reset-icons