I have a Ideapad 5 are15 and my touchpad didn't work. I followed instruction in this page https://bugzilla.kernel.org/show_bug.cgi?id=207759 and now it works (it fails only rarly)
** Bug watch added: Linux Kernel Bug Tracker #207759 https://bugzilla.kernel.org/show_bug.cgi?id=207759 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1878279 Title: MSFT0004:00 06CB:CD98 Touchpad/trackpad mouse randomly not recognized from any given boot To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1878279/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs