Public bug reported:

Since I have updated the kernel from 4.4.0-41-lowlatency to
4.4.0-45-lowlatency the built-in touchpad doesn't respond at all, even
before logging in when the graphical user login appears on the screen.

When I boot with the 4.4.0-41-lowlatency kernel, the touchpad works
fine.

My USB mouse works fine.

Please let me know if you need any log files.

Best regards,
J

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-4.4.0-45-lowlatency 4.4.0-45.66~14.04.1
ProcVersionSignature: Ubuntu 4.4.0-45.66~14.04.1-lowlatency 4.4.21
Uname: Linux 4.4.0-45-lowlatency x86_64
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Oct 22 19:15:15 2016
InstallationDate: Installed on 2016-01-17 (279 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
SourcePackage: linux-lts-xenial
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: linux-lts-xenial (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug third-party-packages touchpad trusty

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https://bugs.launchpad.net/bugs/1635869

Title:
  No touchpad response with the latest 4.4.0-45-lowlatency

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