[Dell Inspiron 2350] could not control brightness
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Confirmed
|
Medium
|
Unassigned |
Bug Description
Dell Inspiron 2350 (CID 201305-13669) with Ubuntu 14.04.1
Linux 201305-13669 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
VGA compatible controller [0300]: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06)
Steps to reproduce this bug:
1. install Ubuntu 14.04.1
2. after installing, boot into desktop
3. dash --> brightness
Expected result:
There is an brightness slider on the brightness panel
Actual result:
There is no such slider.
More information:
/sys/class/
ubuntu@
ubuntu@
-------
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/
CurrentDesktop: Unity
CurrentDmesg:
[ 15.148179] thinkpad_ec: no ThinkPad embedded controller!
[ 17.013792] init: plymouth-
[ 17.021574] init: plymouth-
[ 17.969005] r8169 0000:03:00.0 eth0: link up
[ 17.969013] IPv6: ADDRCONF(
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=
InstallationDate: Installed on 2014-12-08 (2 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
MachineType: Dell Inc. Inspiron 2350
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=
ProcVersionSign
RelatedPackageV
linux-
linux-
linux-firmware 1.127.5
Tags: trusty
Uname: Linux 3.13.0-32-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 09/02/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A02
dmi.board.name: 08NG84
dmi.board.vendor: Dell Inc.
dmi.board.version: X01
dmi.chassis.type: 13
dmi.chassis.vendor: Dell Inc.
dmi.chassis.
dmi.modalias: dmi:bvnDellInc.
dmi.product.name: Inspiron 2350
dmi.product.
dmi.sys.vendor: Dell Inc.
affects: | linux (Ubuntu) → linux-lts-trusty (Ubuntu) |
Changed in linux-lts-trusty (Ubuntu): | |
status: | Confirmed → New |
Changed in linux-lts-trusty (Ubuntu): | |
importance: | Undecided → Medium |
tags: |
added: bios-outdated-a06 removed: brightness dim |
tags: | removed: blocks-hwcert |
apport information