This sounds like it might be related to bug 1766137 or bug 1765261. You might need to wait till we have fixes for those.
Although since you have found a way to log in, that's good news. ** Changed in: gdm3 (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm3 in Ubuntu. https://bugs.launchpad.net/bugs/1768087 Title: pressing enter after password fails only clicking on icon sign in works To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1768087/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs