This appears to be the same issue as bug 1864690 It was resolved by the fix specified in the comment: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe/+bug/1864690/comments/8
Quote: "To make it work I just added the following params to the kernel commandline: "i8042.nopnp=1 pci=nocrs" and it started working after a reboot." -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1906088 Title: Touchpad is not detected and not responsive Status in linux package in Ubuntu: Confirmed Bug description: 1. See attachment 2. Vendor is Microsoft ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-54-generic 5.4.0-54.60 ProcVersionSignature: Ubuntu 5.4.0-54.60-generic 5.4.65 Uname: Linux 5.4.0-54-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.13 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: niteshb 1201 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Sat Nov 28 11:00:25 2020 InstallationDate: Installed on 2020-11-28 (0 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver Bus 001 Device 002: ID 174f:1176 Syntek Integrated Camera Bus 001 Device 004: ID 8087:0aaa Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: LENOVO 81WD ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-54-generic root=UUID=c57708b6-f80b-474d-92fa-b586f01e6b4c ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.4.0-54-generic N/A linux-backports-modules-5.4.0-54-generic N/A linux-firmware 1.187.4 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/10/2020 dmi.bios.vendor: LENOVO dmi.bios.version: EMCN40WW dmi.board.asset.tag: NO Asset Tag dmi.board.name: LNVNB161216 dmi.board.vendor: LENOVO dmi.board.version: SDK0Q55724 WIN dmi.chassis.asset.tag: NO Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: IdeaPad 3 14IIL05 dmi.modalias: dmi:bvnLENOVO:bvrEMCN40WW:bd08/10/2020:svnLENOVO:pn81WD:pvrIdeaPad314IIL05:rvnLENOVO:rnLNVNB161216:rvrSDK0Q55724WIN:cvnLENOVO:ct10:cvrIdeaPad314IIL05: dmi.product.family: IdeaPad 3 14IIL05 dmi.product.name: 81WD dmi.product.sku: LENOVO_MT_81WD_BU_idea_FM_IdeaPad 3 14IIL05 dmi.product.version: IdeaPad 3 14IIL05 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1906088/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
