Po-Hsu Lin, could you please provide the full computer model as noted on
the sticker (ex. HP Pavilion 23-b119 All-in-One Desktop PC)? If
unavailable, could you please provide your serial number and product
number?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1169409
Title:
[HP Pavilion 23] Brightness control doesn't work.
Status in HWE Next Project:
Confirmed
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
CID: 201206-11410
The brightness control seems not working (although the brightness looks fine
on this computer).
Neither installing the proprietary driver, kernel update nor disabling the
ACPI backlight driver would solve this.
Steps:
1. Open System Settings
2. Select Brightness and Lock
3. Adjust the brightness with the scroll bar.
-or-
1. Press the brightness key on the keyboard.
Expected result:
The screen brightness should change.
Actual result:
The screen brightness doesn't change.
And if using the brightness key to control it, can only lower the brightness
level of the indicator, but not raising it.
(The screen brightness remain the same.)
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.5.0-23-generic 3.5.0-23.35~precise1
ProcVersionSignature: Ubuntu 3.5.0-23.35~precise1-generic 3.5.7.2
Uname: Linux 3.5.0-23-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 1563 F.... pulseaudio
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211
not found.
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf7300000 irq 50'
Mixer name : 'Realtek ALC269VC'
Components : 'HDA:10ec0269,103c2aed,00100202'
Controls : 21
Simple ctrls : 10
Date: Tue Apr 16 00:53:44 2013
HibernationDevice: RESUME=UUID=a4bdae84-e104-4f58-97c3-e9760fa4fde7
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64
(20130213)
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
MachineType: Hewlett-Packard 23-1901
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-23-generic
root=UUID=6f502a3e-870b-4939-b93b-e6692e39cb24 ro quiet splash initcall_debug
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.5.0-23-generic N/A
linux-backports-modules-3.5.0-23-generic N/A
linux-firmware 1.79.1
RfKill:
SourcePackage: linux
StagingDrivers: rts_pstor
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/04/2012
dmi.bios.vendor: AMI
dmi.bios.version: 8.07
dmi.board.name: 2AED
dmi.board.vendor: PEGATRON CORPORATION
dmi.board.version: 1.02
dmi.chassis.type: 3
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnAMI:bvr8.07:bd09/04/2012:svnHewlett-Packard:pn23-1901:pvr1.00:rvnPEGATRONCORPORATION:rn2AED:rvr1.02:cvnHewlett-Packard:ct3:cvr:
dmi.product.name: 23-1901
dmi.product.version: 1.00
dmi.sys.vendor: Hewlett-Packard
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