Did you check the Energy Saving settings? There should be a setting to set the screen brightness dependent on whether the device is plugged in/running on battery.
this post was submitted on 28 Jun 2023
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OP said
(note, in settings > energy saving the option to change screen brightness on battery power is unchecked)
So either that setting is ignored or there's two competing energy saving modules active or there's a but in the setting or something completely else...
I have not any other energy saving module installed that I'm aware of
What computer model is that? Might be a special feature of your firmware.
Maybe you could check under the BIOS/UEFI settings.
thanks for the answer!
What computer model is that? Might be a special feature of your firmware.
it's a Dell Vostro 15 3000, I never encountered driver issues with this one so far... do you this this may be the cause?
Maybe you could check under the BIOS/UEFI settings.
I already tried but found nothing useful. Also, I don't recall this type of issue with Xorg, I should check
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