Correction to my posting before: Today I once again run $ sudo apt install linux-generic-hwe-18.04-edge and after reboot the touchpad responds! Great.
One problem still exists: rightclick on the touchpad is like leftclick. That means, the context menu doesn't open by rightclick on the touchpad.
Correction to my posting before: hwe-18. 04-edge
Today I once again run
$ sudo apt install linux-generic-
and after reboot the touchpad responds! Great.
One problem still exists: rightclick on the touchpad is like leftclick. That means, the context menu doesn't open by rightclick on the touchpad.