Thanks. Can you try booting an older kernel version (like the original 5.11.0-16.17) and tell us if that avoids the issue?
** Package changed: bluez (Ubuntu) => linux (Ubuntu) ** Summary changed: - laptop brightness hotkey after latest update + [HP EliteBook 850 G6] laptop brightness hotkey after latest update -- 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/1935754 Title: [HP EliteBook 850 G6] laptop brightness hotkey after latest update Status in linux package in Ubuntu: New Bug description: Hello! After recent update I have a problem brightness laptop button are turning my mic off instead of reduce or high it Could you fix it please? ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: bluez 5.56-0ubuntu4.2 ProcVersionSignature: Ubuntu 5.11.0-22.23-generic 5.11.21 Uname: Linux 5.11.0-22-generic x86_64 ApportVersion: 2.20.11-0ubuntu65.1 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Sat Jul 10 21:32:04 2021 InstallationDate: Installed on 2020-04-08 (458 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402) InterestingModules: rfcomm bnep btusb bluetooth MachineType: HP HP EliteBook 850 G6 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-22-generic root=UUID=78466619-ba7c-4459-92c2-58fc31c658f2 ro quiet splash vt.handoff=7 SourcePackage: bluez UpgradeStatus: Upgraded to hirsute on 2021-04-15 (86 days ago) dmi.bios.date: 09/12/2019 dmi.bios.release: 3.0 dmi.bios.vendor: HP dmi.bios.version: R70 Ver. 01.03.00 dmi.board.name: 8549 dmi.board.vendor: HP dmi.board.version: KBC Version 52.52.00 dmi.chassis.asset.tag: 5CG9450KGR dmi.chassis.type: 10 dmi.chassis.vendor: HP dmi.ec.firmware.release: 82.82 dmi.modalias: dmi:bvnHP:bvrR70Ver.01.03.00:bd09/12/2019:br3.0:efr82.82:svnHP:pnHPEliteBook850G6:pvr:rvnHP:rn8549:rvrKBCVersion52.52.00:cvnHP:ct10:cvr: dmi.product.family: 103C_5336AN HP EliteBook dmi.product.name: HP EliteBook 850 G6 dmi.product.sku: 7KP17EA#ACB dmi.sys.vendor: HP hciconfig: hci0: Type: Primary Bus: USB BD Address: 94:E6:F7:2D:22:F5 ACL MTU: 1021:4 SCO MTU: 96:6 UP RUNNING PSCAN ISCAN RX bytes:21793 acl:0 sco:0 events:3343 errors:0 TX bytes:796729 acl:0 sco:0 commands:3321 errors:0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1935754/+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