Public bug reported:
I had Windows 10 on the device and the touch pad was working perfectly,
but when I set up Ubuntu 20.04 with Windows, in both OCs the touch pad
stopped working at all. It doesn't appear /proc/bus/input/devices file.
$ lsb_release -rd
Description: Ubuntu 20.04 LTS
Release: 20.04
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-37-generic 5.4.0-37.41
ProcVersionSignature: Ubuntu 5.4.0-37.41-generic 5.4.41
Uname: Linux 5.4.0-37-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: danila 1249 F.... pulseaudio
/dev/snd/controlC0: danila 1249 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Jun 24 18:00:28 2020
InstallationDate: Installed on 2020-06-24 (0 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: LENOVO 81YM
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-37-generic
root=UUID=c7036847-2fbc-429d-b113-30e6cc776647 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-37-generic N/A
linux-backports-modules-5.4.0-37-generic N/A
linux-firmware 1.187
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/25/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: DTCN18WW(V1.04)
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: No DPK
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: IdeaPad 5 14ARE05
dmi.modalias:
dmi:bvnLENOVO:bvrDTCN18WW(V1.04):bd03/25/2020:svnLENOVO:pn81YM:pvrIdeaPad514ARE05:rvnLENOVO:rnLNVNB161216:rvrNoDPK:cvnLENOVO:ct10:cvrIdeaPad514ARE05:
dmi.product.family: IdeaPad 5 14ARE05
dmi.product.name: 81YM
dmi.product.sku: LENOVO_MT_81YM_BU_idea_FM_IdeaPad 5 14ARE05
dmi.product.version: IdeaPad 5 14ARE05
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
** Attachment added: "The devices"
https://bugs.launchpad.net/bugs/1884981/+attachment/5386818/+files/devices
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https://bugs.launchpad.net/bugs/1884981
Title:
The touchpad soesn't work at all
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