Lenovo IdeaPad 330 touchpad not working how to fix ???

Lenovo IdeaPad 330 touchpad not working how to fix ??? and their solotions

Upgrade kernel to minimum 4.19.15-041915-generic . From this kernal version, the touchpad drivers are present in the kernal.


So just download the kernal files and upgrade. Visit https://kernel.ubuntu.com/~kernel-ppa/mainline/ to choose a kernal version


download 4.19.15, try the steps


download the 4 files and install

https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.19.15/linux-headers-4.19.15-041915_4.19.15-041915.201901130432_all.deb
https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.19.15/linux-headers-4.19.15-041915-generic_4.19.15-041915.201901130432_amd64.deb
https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.19.15/linux-modules-4.19.15-041915-generic_4.19.15-041915.201901130432_amd64.deb
https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.19.15/linux-image-unsigned-4.19.15-041915-generic_4.19.15-041915.201901130432_amd64.deb

instal and Reboot 

some laptop disable/enabe secureboot after reboot