I upgraded from 20.04 to 22.04 During the process I remember it said the lock screen would be disabled for the upgrade. I assumed that was temporary. It has not worked since. Any help is appreciated.

sudo apt purge gnome-shell-common That is enough to make the lock screen work again.

Lock screen no longer works after 22.04 upgrade

fossfreedom August 18, 2022, 10:42am 2

Usually it is because you have GDM as your login manager … or because in the past you have installed gnome-shell

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