for ubuntu 16.04 on HP pavilion dv6 and Nvidia Graphic driver,
the problem is the same.
xbacklight -set 100 > NOT WORKS
xrandr --output LVDS-0 --set Backlight 100> NOT WORKS
xrandr --output LVDS-0 --brightness 1
Everything I wrote above is still true for me in 14.04, Trusty, 64 bit
version, with pretty much the same setup, plain Openbox (no LXDE, no
Lubuntu, no other DE) and lxterminal.
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Still doesn't work in Saucy.
For me, none of the following, cause any change in screen appearance, nor to
they bring any response in lxterminal other than a new prompt:
xbacklight -get
xbacklight -set 100 -time 0
xbacklight -set 20 -time 0
xbacklight -set 2 -time 0
Running Saucy in plain
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete = Expired
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https://bugs.launchpad.net/bugs/1054298
/sys/class/backlight/psb-bl/brightness works fine.
The xrandr program also works fine.
This script, which uses either of those, works fine.
http://code.google.com/p/bltool/
Only xbacklight doesn't, and at least some other things, such as the
backlight module in enlightenment 17.
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Once you've tested the
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