Page 1 of 1
[SOLVED] Powerkit problem with brightness control
Posted: 10 Mar 2022 01:39
by bsd4me
Brightness slider button doesn't work so when I plug laptop into AC power, the screen dims so much it's hard to see desktop.
I've searched and searched to find answer but I haven't found it yet.
I've even tried removing powerkit and then reinstalling and that didn't work either ... was hoping a config file was bad.
Other actions on powerkit seem to work fine, just not the brightness adjustment.
Any ideas what config file/line applies to brightness?
If not, what is a good alternative?
Oh, I'm running 7.5 with Openbox
Thanks!
Re: Powerkit problem with brightness control
Posted: 10 Mar 2022 02:12
by djemos
yes you're right about the slider, but i don't have this behavior "the screen dims so much it's hard to see desktop".
I use the keys on F11 - F12 to decrease increase brightness.
I don't remember if this behavior about the slider happens now or it existed before. I will try to find out why the slider is not working with mouse.
For now just use the keys.
Re: Powerkit problem with brightness control
Posted: 10 Mar 2022 02:28
by bsd4me
The F keys don't work either.
Now have to reboot to get brightness back up where I can see.
I have to leave for a while (Bible study time). Will check back later tonight, or in the morning (local time)
Thanks djemos!
Re: Powerkit problem with brightness control
Posted: 10 Mar 2022 02:58
by djemos
OK.
type in terminal
to increase backlight to 100%
xbacklight -10 (decrease backlight) xbacklight +10 increase backlight
this has to working, otherwise something is missing.
This has to be working.
Then to check the keys
type in terminal
go down and look for XF86MonbrightnesUP (on the right you have to see command: xbacklight +10 and enabled: checked
And for XF86MonbrightnesDown (command: xbacklight -10 and enabled: checked)
Re: Powerkit problem with brightness control
Posted: 10 Mar 2022 06:25
by bsd4me
Code: Select all
$ xbacklight -10
No outputs have backlight property
I had to check to XF86MonbrightnessUP and Down to enable. They weren't checked.
I typed xbacklight -10 after checking the boxes, and got the same response.
I will try again in the morning when I start the laptop again, and will let you know outcome.
Thanks again djemos. Appreciate your help!
Re: Powerkit problem with brightness control
Posted: 10 Mar 2022 11:16
by djemos
After enable XF86MonbrightnessUP and Down click on the top left button to save the file.
then log out and log in again or reboot.
check again
no message will appear if message appeared again then type
Code: Select all
cat /etc/X11/xorg.conf.d/20-intel.conf
the output has to be
Code: Select all
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "Backlight" "intel_backlight"
EndSection
This is a double check to be sure.
Re: Powerkit problem with brightness control
Posted: 10 Mar 2022 16:16
by djemos
type
Code: Select all
sudo slapt-get -u
sudo slapt-get -i powerkit
log out and log in
and see that slider backlight is working now.
Re: Powerkit problem with brightness control
Posted: 10 Mar 2022 17:51
by bsd4me
Don't know what I'm doing wrong, but this is my third time trying to respond
I already tried removing and installing powerkit. Mentioned in my first post.
Oops... just saw that powerkit was updated. Now installed
I had to copy /usr/share/X11/xorg.conf.d/10-amdgpu.conf to /etc/X11/xorg.conf.d/ and then rebooted.
I still get the same response:
Code: Select all
xbacklight -10
No outputs have backlight property
Re: Powerkit problem with brightness control
Posted: 10 Mar 2022 20:53
by djemos
you have an amdgpu.
xbacklight works only for intel gpu.
for amd use its replacement
acpilight maybe will work.
after install the package type
Code: Select all
sudo cp /etc/udev/rules.d/90-backlight.rules.new /etc/udev/rules.d/90-backlight.rules
Re: Powerkit problem with brightness control
Posted: 10 Mar 2022 22:34
by bsd4me
djemos that took care of the brightness issue!
Thank you so very much.
Also, this is a new laptop, so had to verify all the chips
