I've flashed new BIOS to 205 from Asus website:
vincas@vinco:~$ sudo dmidecode -s bios-version && sudo dmidecode -s
bios-release-date
N551JM.205
02/13/2015
But sadly it did not helped. Though it is strange that dmidecode shows
2015 as release year, while on website they say it is updated at 2016.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1608526
Title:
Asus N551JM screen brightness keys fn+F5/F6 don't work unless using
kernel parameter acpi_osi=
Status in linux package in Ubuntu:
Confirmed
Bug description:
Keyboard combination fn+F5/F6 keys doesn't decrease/increase the
screen brightness.
WORKAROUND: Add kernel parameter:
acpi_osi=
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-31-generic 4.4.0-31.50
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: vincas 4675 F.... pulseaudio
/dev/snd/controlC0: vincas 4675 F.... pulseaudio
Date: Mon Aug 1 16:20:41 2016
HibernationDevice: RESUME=UUID=8c5322e6-f871-4abf-b1e0-61b84f0aa4b4
InstallationDate: Installed on 2015-06-25 (402 days ago)
InstallationMedia: Kubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64
(20150219.1)
MachineType: ASUSTeK COMPUTER INC. N551JM
ProcEnviron:
LANGUAGE=
TERM=screen-256color
PATH=(custom, no user)
LANG=lt_LT.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-31-generic.efi.signed
root=UUID=e2407f5a-3411-4b70-a245-7c128267680f ro quiet splash acpi_osi=
vt.handoff=7
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not
accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.4.0-31-generic N/A
linux-backports-modules-4.4.0-31-generic N/A
linux-firmware 1.157.2
SourcePackage: linux
UpgradeStatus: Upgraded to xenial on 2016-07-30 (1 days ago)
dmi.bios.date: 10/06/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: N551JM.204
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: N551JM
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrN551JM.204:bd10/06/2014:svnASUSTeKCOMPUTERINC.:pnN551JM:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN551JM:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: N551JM
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
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