I was not able to use the suggested kernel due to UEFI/SecureBoot. However, after edit "/etc/default/grub" and change GRUB_CMDLINE_LINUX_DEFAULT to GRUB_CMDLINE_LINUX_DEFAULT="quiet i8042.nopnp=1 pci=nocrs", touchpad started to work.
OBS: Suggestion taken from: https://askubuntu.com/questions/1220264/lenovo-ideapad-s145-touchpad- not-working -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1921649 Title: 'Ideapad S145 Touchpad' not working at all. Not even detected after a fresh Ubuntu 20.10 install. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1921649/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
