Could you attach the output of the commands "lspci" and "lsusb" to your report? This is almost without question a hardware-specific problem, so knowing the hardware involved would be helpful.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed-hwe-5.4 in Ubuntu. https://bugs.launchpad.net/bugs/1981589 Title: dell latitude 3400 touchpad not detected Status in linux-signed-hwe-5.4 package in Ubuntu: New Bug description: touchpad not detected and work only after connecting usb mouse, touchpad features don't work at all. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-5.4.0-121-generic 5.4.0-121.137~18.04.1 ProcVersionSignature: Ubuntu 5.4.0-121.137~18.04.1-generic 5.4.189 Uname: Linux 5.4.0-121-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.28 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Wed Jul 13 19:13:11 2022 InstallationDate: Installed on 2020-12-06 (584 days ago) InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1) SourcePackage: linux-signed-hwe-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.4/+bug/1981589/+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
