Follow that post, then report. It might be due to the hardware model on your laptop.
https://www.linuxquestions.org/questions/showthread.php?p=5839820#post5839820 ** Summary changed: - I am using Ubuntu 18.04 before this I had windows 10 installed and the touch-pad was working fine but since I installed Ubuntu 18.04 the touch-pad isn't working. So far i have tried to install xserver-xorg-input-synaptics, then i also tried going into /etc/default/grub and edit this ' GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" ' and replace "quiet splash" to "acpi=force" but that also didn't worked out. + [18.04] the touch-pad isn't working -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1763635 Title: [18.04] the touch-pad isn't working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1763635/+subscriptions -- ubuntu-bugs mailing list email@example.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs