Hello, did you perform an update before this issue happened? If yes, can you boot to an older kernel to confirm if it's a regression to the new kernel? Thanks.
** Changed in: linux-signed (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1823126 Title: touchpad doesn't work (not listed in xinput) Status in linux-signed package in Ubuntu: Incomplete Bug description: Hello, My touchpad worked yesterday, but today it is not working. I tried to search all information about synaptics touchpad on my Xubuntu 16.04 but touchpad information are not listed with xinput and other command. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-143-generic 4.4.0-143.169 ProcVersionSignature: Ubuntu 4.4.0-143.169-generic 4.4.170 Uname: Linux 4.4.0-143-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 CurrentDesktop: XFCE Date: Thu Apr 4 09:21:52 2019 InstallationDate: Installed on 2017-11-06 (513 days ago) InstallationMedia: Xubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) SourcePackage: linux-signed UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1823126/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : firstname.lastname@example.org Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp