KDE Slider Display Backlight in Energy - No effect

incedis

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Slider in Energy for the display backlight in KDE is not producing any effect. It moves but with no effect on the actual display.
Keyboard shortcuts for the display backlight work as expected.
End result is, after reboot/disconnecting and reconnecting external display, backlight is stuck at 100%. Not a show stopper in itself. The keyboard shortcuts allow me to fix the display backlight.
 


kc1di

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Which Distro are you using?
 
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incedis

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Arch. I am distro hopping like crazy at the moment.
My distro of choice was Ubuntu LTS but could not stick with due to touchpad issue.
 

kc1di

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I don't have any back lit screens here at the moment but use MX-21 - KDE and have not had any problems with it.
Might give it a try won't be the latest plasma but it works fine on my hardware here.
 
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incedis

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I am also going back and forth between KDE and Xfce. Having a lot quirks with KDE that dont show with Xfce.
Having said that, besides the backlight display/keyboard slider not being very useful, I have no other issue with KDE. BTW, when I set the display backlight in Xfce, it sticks even after a reboot. Not the case with KDE.
 
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