Public bug reported:
I'm running Ubuntu 14.04.4 on a Lenovo G50-70 with an Elantech Touchpad.
The touchpad worked till the latest kernel update. Now it shows only as
a PS/2 generic mouse. Going back to the previous kernel 4.2.30 results
in the touchpad being recognized and working again.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-4.2.0-34-generic 4.2.0-34.39~14.04.1
ProcVersionSignature: Ubuntu 4.2.0-34.39~14.04.1-generic 4.2.8-ckt4
Uname: Linux 4.2.0-34-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Mar 19 06:30:43 2016
InstallationDate: Installed on 2016-03-12 (6 days ago)
InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1)
SourcePackage: linux-lts-wily
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-lts-wily (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1559364
Title:
Elantech Touchpad is not recognized after kernel upgrade
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