Thanks @Simon!
For information, I installed 5.7 from mainline (https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.7/) but Touchpad still not working.
Thanks @Simon!
For information, I installed 5.7 from mainline (https:/ /kernel. ubuntu. com/~kernel- ppa/mainline/ v5.7/) but Touchpad still not working.