** Description changed: CID: 201206-11410 - The brightness control seems not working . + 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
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1169409 Title: [HP Pavilion 23] Brightness control doesn't work. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1169409/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs