Hot answers tagged power-management
Sounds like it's the minimum power needed by the system. That is, it's the power that would be used if you were to disable unnecessary hardware like bluetooth and wifi, and turn the screen brightness down. And 23.2W is not to much.
Install gnome-tweak-tool by: sudo apt-get install gnome-tweak-tool Hit Super key/Windows key and search for Tweak Tool. Go to 'Power' options and change the behavior as you wish.
In ubuntu mate, gconf editor is not installed by default and installing it will not help. Instead, you should use dconf editor. You will need to navigate to /org/mate/power-manager and then untick "notify-low-capacity."
We had the same problem (on a T520), and thanks to Honza's answer, we found that using a 90W adapter instead of the 65W adapter fixed the problem for us too (thanks!). After some googling, I found an explanation here: http://linux-thinkpad.10952.n7.nabble.com/WARNING-Lenovo-ThinkPads-and-65W-power-supplies-td13173.html Basically according to this post "the ...
The package that handles the AC-to-battery transition is pm-utils. On a command line, looking at the files in the pm-utils package will tell you where to go next: $ dpkg -L pm-utils ...<snip>... /usr/share/man/man1/pm-is-supported.1.gz /usr/share/man/man8/pm-powersave.8.gz /usr/share/man/man8/pm-action.8.gz ...<snip>... ...
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