touchpad not detetcted in lenovo ideapad slim 3 in ubuntu

[Anjali Hassani]

Touchpad is not detected in lenovo ideapad slim 3 in ubuntu which I' using in dual boot with windows 10. However external mouse is working. Below are the details of os installed in my PC.
1)
Description: Ubuntu 20.04.3 LTS
Release: 20.04
2)
apt-cache policy mousepad
mousepad:
  Installed: 0.4.2-1
  Candidate: 0.4.2-1
  Version table:
 *** 0.4.2-1 500
        500 http://in.archive.ubuntu.com/ubuntu focal/universe amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.11.0-43-generic 5.11.0-43.47~20.04.2
ProcVersionSignature: Ubuntu 5.11.0-43.47~20.04.2-generic 5.11.22
Uname: Linux 5.11.0-43-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Dec 19 20:16:23 2021
InstallationDate: Installed on 2021-11-14 (35 days ago)
InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
SourcePackage: linux-signed-hwe-5.11
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.