Yes it appears that the default behaviour is to suspend when the lid is closed. And most surprisingly, Settings (3.24 at least) provides no option to change that.
WORKAROUND: sudo apt install gnome-tweak-tool then in gnome-tweak-tool > Power > Suspend when laptop lid is closed = OFF ** Also affects: gnome-shell (Ubuntu) Importance: Undecided Status: New ** Also affects: gnome-control-center (Ubuntu) Importance: Undecided Status: New ** Tags added: gnome-17.10 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1716160 Title: System goes to sleep with lid closed after login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1716160/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs