Hi, please try out using the different ways below:

* Disable secure boot and then boot v5.7-rc7 (or any latest kernel from
https://kernel.ubuntu.com/~kernel-ppa/mainline)

* Add boot command: i8042.reset i8042.nomux i8042.nopnp i8042.noloop
(Reference: https://askubuntu.com/questions/525629/touchpad-is-not-recognized)

* Install 5.6.0-1010-oem kernel:

$ sudo apt-get update
$ sudo apt-get install linux-modules-5.6.0-1010-oem linux-image-5.6.0-1010-oem 
linux-headers-5.6.0-1010-oem

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https://bugs.launchpad.net/bugs/1879981

Title:
  touchpad does't work properly

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