Manually activating power management in Windows 10

Click on the Windows 10 icon in the taskbar, located in the bottom left-hand corner of the screen.  Then click on “Settings”, which can be found directly above the Windows 10 icon. 

Next, click on “System.”

Settings

Then select “Power & Sleep.”

Power & Sleep

On notebook computers, be sure to change the settings for “When plugged in.”  EPA recommends setting monitors to turn off after 5 to 20 minutes of inactivity, and computers to enter sleep after 15 to 60 minutes of inactivity. The lower the setting, the more energy you save. 

Power & Sleep settings