Mark INVALID per #5.
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1824472
Title:
Unable to set brightness on Dell G3 3579 with nomodeset
Status in linux package in Ubuntu:
Invalid
Bug description:
I have Dell inspiron G3.
I am not able to change the screen brightness. I tried many solutions, but
none worked.
1. I tried changing acpi_backlight = vendor:
Now this does solve but it creates another problem. Because for my laptop to
shutdown and start properly the LINUX_GRUB_DEFAULT must be set to nomodeset.
2. I tried installing applications:
But when I run these applications it show "No backlights were found on the
system"
Kindly address the issue and provide a solution. It is causing great
trouble.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-46-generic 4.15.0-46.49
ProcVersionSignature: Ubuntu 4.15.0-46.49-generic 4.15.18
Uname: Linux 4.15.0-46-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: rishita 1806 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Fri Apr 12 11:55:50 2019
HibernationDevice: RESUME=UUID=b45c9211-82df-4eb1-88ef-95ba16bfe090
InstallationDate: Installed on 2019-02-28 (42 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
MachineType: Dell Inc. G3 3579
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-46-generic
root=UUID=4aaeabb9-cce5-41e4-8dfd-2a30aaf8d649 ro quiet splash nomodeset
acpi_backlight=vendor vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-46-generic N/A
linux-backports-modules-4.15.0-46-generic N/A
linux-firmware 1.173.3
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/25/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.1.0
dmi.board.name: 05K0D2
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.1.0:bd05/25/2018:svnDellInc.:pnG33579:pvr:rvnDellInc.:rn05K0D2:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: GSeries
dmi.product.name: G3 3579
dmi.sys.vendor: Dell Inc.
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