Public bug reported: I followed this
In case your Touchpad doesn't work at all (No response from the Touchpad) This is generally a case of a kernel (linux) or xorg bug. Execute at a terminal: cat /proc/bus/input/devices One should see a touchpad device, like: I: Bus=0011 Vendor=0002 Product=0007 Version=01b1 N: Name="SynPS/2 Synaptics TouchPad" P: Phys=isa0060/serio2/input0 S: Sysfs=/devices/platform/i8042/serio2/input/input8 U: Uniq= H: Handlers=mouse2 event8 B: EV=b B: KEY=420 0 70000 0 0 0 0 0 0 0 0 B: ABS=11000003 If you do not find something like this, then the bug is in the linux kernel. Please follow these steps: File the bug against the linux package by running ubuntu-bug linux. Provide the general information. Enter the following commands in a terminal: cat /proc/bus/input/devices > ~/devices Attach ~/devices as separate attachments to your bug report. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-72-generic 4.15.0-72.81 ProcVersionSignature: Ubuntu 4.15.0-72.81-generic 4.15.18 Uname: Linux 4.15.0-72-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.9 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: efalabrini 1968 F.... pulseaudio CurrentDesktop: MATE Date: Mon Dec 16 22:59:30 2019 HibernationDevice: RESUME=UUID=78dee4f0-4177-42a3-9e3a-18c5562142a9 InstallationDate: Installed on 2016-08-11 (1222 days ago) InstallationMedia: Ubuntu-MATE 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) MachineType: Dell Inc. Inspiron 11-3157 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-72-generic root=UUID=695e60b3-8b9c-4d3c-8646-9f5dbd9323fb ro quiet splash vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.15.0-72-generic N/A linux-backports-modules-4.15.0-72-generic N/A linux-firmware 1.173.13 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/29/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.1.13 dmi.board.name: 0C9N4H dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: Not Specified dmi.modalias: dmi:bvnDellInc.:bvr1.1.13:bd07/29/2015:svnDellInc.:pnInspiron11-3157:pvr1.1.13:rvnDellInc.:rn0C9N4H:rvrA00:cvnDellInc.:ct8:cvrNotSpecified: dmi.product.family: To be filled by O.E.M. dmi.product.name: Inspiron 11-3157 dmi.product.version: 1.1.13 dmi.sys.vendor: Dell Inc. ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic ** Attachment added: "devices" https://bugs.launchpad.net/bugs/1856633/+attachment/5313113/+files/devices -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1856633 Title: My touchpad stop working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1856633/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs