Thanks for taking the time to report this bug and helping to make Ubuntu
better. Could you please attach the resulting log file of: gnome-power-
bugreport.sh gpm.log to the report? You might also want to take a
look to the Debugging instructions located at
I've checked it myself, and the BIOS is responsible to dim the brightness to 0
when AC is removed.
This is very strange, but it's not ubuntu's fault.
Thanks
** Changed in: gnome-power-manager (Ubuntu)
Status: Incomplete = Invalid
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brightness decreased even if asked not to do
I've just realized a thing: the problem still happens even if
gnome-power-manager is not running (version 2.24)
Please don't mark this as invalid, but help me in understanding who
dims the brightness
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brightness decreased even if asked not to do
https://bugs.launchpad.net/bugs/249439
You
