It sounds more like a kernel issue if the touchpad's not working at all. If you install and run 'sudo evtest', is the touchpad device listed and testable? (try also in a separate VT login - Ctrl+Alt+F4)
** Changed in: libinput (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libinput in Ubuntu. https://bugs.launchpad.net/bugs/1726934 Title: Elantech touchpad unresponsive in Ubuntu 17.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1726934/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp