When i use the shortcut keys Win+L, click the Lock option in wingpanel-session menu, or when i suspend, lock doesn't work.

dm-tool lock works. light-locker-command --lock shows:

Received error message from the locker: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.ScreenSaver was not provided by any .service files

If i install gnome-screensaver lock screen works for sleep and shortcut keys, but not from the wingpanel-session menu. It also displays differently.

Any idea how to get this working? I just fresh-installed Elementary (Juno).

  • I couldn't solve the problem, so i just installed Elementary again and it has been working so far.
    – Telmo
    Nov 1, 2018 at 12:03

1 Answer 1


remove disable-light-locker package from the system.

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