Install libpowerdevilcore2 by entering the following commands in the terminal:
sudo apt update sudo apt install libpowerdevilcore2
Description:
Global power saver settings ui library.
Power Devil allows you to define your all power settings. . This package contains the library files.
Homepage: https://projects.kde.org/projects/kde/workspace/powerdevil
Version: 4:5.12.4-0ubuntu1
Section: universe/kde