Comment 6 for bug 1884997

I added the following line to my /etc/default/grub file and updated grub
and my touchpad is now working.

GRUB_CMDLINE_LINUX="i8042.nopnp=1 pci=nocrs"

Lalitha Prasad

On Wed, Dec 9, 2020 at 7:45 AM Daniel van Vugt <email address hidden>
wrote:

> ** Changed in: linux (Ubuntu)
> Status: Incomplete => Confirmed
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1896088).
> https://bugs.launchpad.net/bugs/1884997
>
> Title:
> [Lenovo IdeaPad 3 15IIL05] no touchpad detected, not working at all
>
> Status in linux package in Ubuntu:
> Confirmed
>
> Bug description:
> hello,
>
> i bought a new pc and installed ubuntu 20.04 and windows 10 on it.
> on ubuntu os my touchpad doesn't work at all, since installation process
> but it does on windows.
> the pc is a lenovo pc and one of the latest released one.
>
> when i plug in a usb mouse the mouse works fine but the touchpad still
> don't.
> it even doesn't show the touchpad when i type in (1) "cat
> /proc/bus/input/devices".
> only the usb mouse twice.
>
> i tryed a lot and don't know how to help myself any further.
>
> i attached a file "devices" where printed my output of (1).
>
> thanks for any help.
>
> 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/controlC0: fabian 1032 F.... pulseaudio
> /dev/snd/pcmC0D0p: fabian 1032 F...m pulseaudio
> CasperMD5CheckResult: skip
> CurrentDesktop: ubuntu:GNOME
> Date: Wed Jun 24 18:21:17 2020
> InstallationDate: Installed on 2020-06-17 (6 days ago)
> InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64
> (20200423)
> MachineType: LENOVO 81WE
> ProcEnviron:
> TERM=xterm-256color
> PATH=(custom, no user)
> XDG_RUNTIME_DIR=<set>
> LANG=de_DE.UTF-8
> SHELL=/bin/bash
> ProcFB: 0 i915drmfb
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-37-generic
> root=UUID=a65a602e-ae73-4354-94f9-2f99e2bff055 ro i8042.reset 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: 03/06/2020
> dmi.bios.vendor: LENOVO
> dmi.bios.version: EMCN13WW
> dmi.board.asset.tag: NO Asset Tag
> dmi.board.name: LNVNB161216
> dmi.board.vendor: LENOVO
> dmi.board.version: SDK0J40700 WIN
> dmi.chassis.asset.tag: NO Asset Tag
> dmi.chassis.type: 10
> dmi.chassis.vendor: LENOVO
> dmi.chassis.version: IdeaPad 3 15IIL05
> dmi.modalias:
> dmi:bvnLENOVO:bvrEMCN13WW:bd03/06/2020:svnLENOVO:pn81WE:pvrIdeaPad315IIL05:rvnLENOVO:rnLNVNB161216:rvrSDK0J40700WIN:cvnLENOVO:ct10:cvrIdeaPad315IIL05:
> dmi.product.family: IdeaPad 3 15IIL05
> dmi.product.name: 81WE
> dmi.product.sku: LENOVO_MT_81WE_BU_idea_FM_IdeaPad 3 15IIL05
> dmi.product.version: IdeaPad 3 15IIL05
> dmi.sys.vendor: LENOVO
>
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>