This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1893568 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- 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/1893568 Title: [Dell Inspiron 3793] Screen brightness missing Status in linux package in Ubuntu: Incomplete Bug description: gnome-control-center - power - Screen brightness is missing. also on top bar Screen brightness control appears but does nothing. the problem does not happen on same PC, different partition with Ubuntu 20.04 ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: gnome-control-center 1:3.37.90-1ubuntu2 ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 Uname: Linux 5.4.0-42-generic x86_64 ApportVersion: 2.20.11-0ubuntu45 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Sun Aug 30 19:47:23 2020 ExecutablePath: /usr/bin/gnome-control-center InstallationDate: Installed on 2020-08-28 (2 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Alpha amd64 (20200826) SourcePackage: gnome-control-center UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1893568/+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