Problem remains after updates an reboot, also with new kernel 5.8. let me know if i must rerun apport-collect
corrado@corrado-n3-gg-0826:~$ sudo apt update && sudo apt full-upgrade [sudo] password for corrado: Get:1 http://archive.ubuntu.com/ubuntu groovy InRelease [267 kB] Hit:2 http://archive.ubuntu.com/ubuntu groovy-updates InRelease Hit:3 http://archive.ubuntu.com/ubuntu groovy-backports InRelease Hit:4 http://archive.ubuntu.com/ubuntu groovy-security InRelease Fetched 267 kB in 1s (241 kB/s) Reading package lists... Done Building dependency tree Reading state information... Done All packages are up to date. Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following package was automatically installed and is no longer required: libilmbase24 Use 'sudo apt autoremove' to remove it. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. corrado@corrado-n3-gg-0826:~$ inxi -Fx System: Host: corrado-n3-gg-0826 Kernel: 5.8.0-18-generic x86_64 bits: 64 compiler: N/A Desktop: N/A Distro: Ubuntu 20.10 (Groovy Gorilla) Machine: Type: Laptop System: Dell product: Inspiron 3793 v: N/A serial: <superuser/root required> Mobo: Dell model: 0C1PF2 v: A00 serial: <superuser/root required> UEFI: Dell v: 1.5.0 date: 12/17/2019 Battery: ID-1: BAT0 charge: 26.2 Wh condition: 37.1/42.0 Wh (88%) model: SWD-ATL3.618 DELL WJPC403 status: Discharging CPU: Info: Quad Core model: Intel Core i5-1035G1 bits: 64 type: MT MCP arch: Ice Lake rev: 5 L2 cache: 6144 KiB flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 19046 Speed: 645 MHz min/max: 400/3600 MHz Core speeds (MHz): 1: 1848 2: 3604 3: 2377 4: 3310 5: 3605 6: 1589 7: 3589 8: 3567 Graphics: Device-1: Intel Iris Plus Graphics G1 vendor: Dell driver: i915 v: kernel bus ID: 00:02.0 Device-2: Realtek Integrated_Webcam_HD type: USB driver: uvcvideo bus ID: 1-6:3 Display: x11 server: X.Org 1.20.8 driver: modesetting unloaded: fbdev,vesa resolution: 1920x1080~60Hz OpenGL: renderer: Mesa Intel UHD Graphics (ICL GT1) v: 4.6 Mesa 20.1.5 direct render: Yes Audio: Device-1: Intel Smart Sound Audio vendor: Dell driver: snd_hda_intel v: kernel bus ID: 00:1f.3 Sound Server: ALSA v: k5.8.0-18-generic Network: Device-1: Realtek RTL810xE PCI Express Fast Ethernet vendor: Dell driver: r8169 v: kernel port: 3000 bus ID: 01:00.0 IF: enp1s0 state: down mac: 98:e7:43:59:19:19 Device-2: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter vendor: Dell driver: ath10k_pci v: kernel port: 3000 bus ID: 02:00.0 IF: wlp2s0 state: up mac: d8:12:65:b8:21:b9 Device-3: Qualcomm Atheros type: USB driver: btusb bus ID: 1-10:4 Drives: Local Storage: total: 476.94 GiB used: 12.74 GiB (2.7%) ID-1: /dev/nvme0n1 vendor: Toshiba model: KBG40ZNS512G NVMe KIOXIA 512GB size: 476.94 GiB Partition: ID-1: / size: 31.25 GiB used: 12.69 GiB (40.6%) fs: ext4 dev: /dev/nvme0n1p3 Swap: ID-1: swap-1 type: partition size: 8.00 GiB used: 0 KiB (0.0%) dev: /dev/nvme0n1p2 Sensors: System Temperatures: cpu: 51.0 C mobo: N/A Fan Speeds (RPM): cpu: 0 Info: Processes: 235 Uptime: 16m Memory: 7.55 GiB used: 1.40 GiB (18.5%) Init: systemd runlevel: 5 Compilers: gcc: N/A Packages: 1821 Shell: Bash v: 5.0.17 inxi: 3.1.06 corrado@corrado-n3-gg-0826:~$ -- 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: Fix Released 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) --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu45 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: corrado 1277 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME DistroRelease: Ubuntu 20.10 InstallationDate: Installed on 2020-08-28 (3 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Alpha amd64 (20200826) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 0bda:5520 Realtek Semiconductor Corp. Integrated_Webcam_HD Bus 001 Device 002: ID 145f:02a9 Trust Trust Wireless Mouse Bus 001 Device 004: ID 0cf3:e009 Qualcomm Atheros Communications Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Dell Inc. Inspiron 3793 Package: linux (not installed) ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic root=UUID=5266d63d-2387-4de3-8bae-6c9f95af7d6e ro quiet splash ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 RelatedPackageVersions: linux-restricted-modules-5.4.0-42-generic N/A linux-backports-modules-5.4.0-42-generic N/A linux-firmware 1.190 Tags: groovy Uname: Linux 5.4.0-42-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 12/17/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.5.0 dmi.board.name: 0C1PF2 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.5.0:bd12/17/2019:svnDellInc.:pnInspiron3793:pvr:rvnDellInc.:rn0C1PF2:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: Inspiron dmi.product.name: Inspiron 3793 dmi.product.sku: 097A dmi.sys.vendor: Dell Inc. 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