Ah ha! This is a bug, but it gets resolved after a laptop suspend-resume cycle. That is, the touchpad is not detected after a reboot. However, it is detected after the next suspend-resume.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1854633 Title: touchpad only works as mouse, no touchpad features To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-libinput/+bug/1854633/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs