Public bug reported:
I went through all the process that I could find regarding fixing screen
brightness on google and stackoverflow. I can see the brightness slider
on the settings move but it doesn't change the brightness. I installed
brightness-controller which did allow me to change the brightness, but
this required me to install third-party software and not be able to use
the keyshort cut for brightness that exists in most modern laptops.
I'm very new in Ubuntu.
Thank you
Sirish
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
ProcVersionSignature: Ubuntu 5.3.0-28.30~18.04.1-generic 5.3.13
Uname: Linux 5.3.0-28-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.10
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Tue Jan 21 21:30:33 2020
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
DkmsStatus:
nvidia, 435.21, 5.0.0-37-generic, x86_64: installed
nvidia, 435.21, 5.3.0-26-generic, x86_64: installed
nvidia, 435.21, 5.3.0-28-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation Device [8086:3ea0] (prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company Device [103c:8518]
Subsystem: Hewlett-Packard Company GP108M [GeForce MX150] [103c:8518]
InstallationDate: Installed on 2020-01-12 (9 days ago)
InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
MachineType: HP HP Spectre x360 Convertible 15-df0xxx
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-28-generic
root=UUID=1efa42d3-4504-44a7-a12e-bec181d5105d ro quiet splash
acpi_backlight=vendor vt.handoff=1
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/25/2019
dmi.bios.vendor: AMI
dmi.bios.version: F.32
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 8518
dmi.board.vendor: HP
dmi.board.version: 10.66
dmi.chassis.type: 31
dmi.chassis.vendor: HP
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAMI:bvrF.32:bd09/25/2019:svnHP:pnHPSpectrex360Convertible15-df0xxx:pvr:rvnHP:rn8518:rvr10.66:cvnHP:ct31:cvrChassisVersion:
dmi.product.family: 103C_5335KV HP Spectre
dmi.product.name: HP Spectre x360 Convertible 15-df0xxx
dmi.product.sku: 6NY27UAR#ABA
dmi.sys.vendor: HP
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.99-1ubuntu1~18.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 19.2.1-1ubuntu1~18.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx 19.2.1-1ubuntu1~18.04.1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4.4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20171229-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic possible-manual-nvidia-install ubuntu
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https://bugs.launchpad.net/bugs/1860497
Title:
Cannot modify screen brightness
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