g-c-c does send the config changes correctly, the issue is rather with g-s-d or gnome-shell
** Tags added: rls-aa-incoming ** Package changed: gnome-control-center (Ubuntu) => gnome-shell (Ubuntu) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1716341 Title: Settings for external monitor are deleted after reboot, suspension, log out Status in gnome-control-center: Incomplete Status in gnome-shell package in Ubuntu: Triaged Bug description: New Gnome Settings on Ubuntu 17.10 Settings for external monitor are working but after reboot/suspension /log-out log-in, the system will not remember the setup. Example: 1- open Gnome Settings and select "Devices → Displays" 2- set the external monitor as "Single Display" and click on "Apply" 3- log-out After log-in the laptop monitor will be set as default instead of the external monitor. To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-control-center/+bug/1716341/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp