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Tags: unity   16.04   lock-screen  
Link: πŸ” See Original Answer on Ask Ubuntu πŸ”—

URL: https://askubuntu.com/q/1000458
Title: Ubuntu 16.04 Screen lock suddenly not working
ID: /2018/01/27/Ubuntu-16.04-Screen-lock-suddenly-not-working
Created: January 27, 2018    Edited:  June 12, 2020
Upload: November 24, 2022    Layout:  post
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You don’t need to install 3rd party package

You can re-enable lock screen directly from the terminal.

To see if Lock screen is disabled:

gsettings get org.gnome.desktop.lockdown disable-lock-screen
false

If result is true then use:

gsettings set org.gnome.desktop.lockdown disable-lock-screen false
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