How to remove and reinstall GNOME 3?

I need to remove GNOME 3, so I can re-install it, for I experienced a huge power surge that disrupted my session in GNOME 3, and currently, the GNOME 3 interface is acting strangely.

Here is Solutions:

We have many solutions to this problem, But we recommend you to use the first solution because it is tested & true solution that will 100% work for you.

Solution 1

sudo apt-get install --reinstall gnome-shell will do the work for you.

Solution 2

1 and 2 provide a simple step by step guide to install Gnome on Ubuntu. However, for the sake of completeness, first of all, remove the current Gnome by
apt purge gnome-shell.
And then reinstall the following packages,
apt install gnome-shell ubuntu-gnome-desktop.

Finally, one more thing is to choose the default graphical interface, for instance, when you are hosting LXDE and Gnome-3 simultaneously on your PC, it will ask for gdm3 V lightdm.

Solution 3

Simply enter the following in a terminal to remove Gnome 3:

sudo apt-get remove gnome-shell

…and the following to install it again:

sudo apt-get install gnome-shell

However, you may want to try running dpkg-reconfigure before attempting a re-install just in case that fixes the issues you are experiencing:

sudo dpkg-reconfigure gnome-shell

Note: Use and implement solution 1 because this method fully tested our system.
Thank you 🙂

All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0

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