Thinkpad L480, same problem, same solution, but encountered while upgrading from 18.10 to 19.04. Machine was fresh installed with 18.10 and touchpad worked out of the box.
Thinkpad L480, same problem, same solution, but encountered while upgrading from 18.10 to 19.04. Machine was fresh installed with 18.10 and touchpad worked out of the box.