Check the **Enable HotKey to turn off monitor(s)** to enable the HotKey, uncheck it to disable it.
Select the key combination that you would like to assign to turn off the monitor.
Set or Change the screen display off timeout period.

Automatically Turn off the monitor when user lock down their system (Win +L).
Automatically Start Mpowersaver When Your Computer starts (Click check box to activate)
Automatically Turn off the monitor with screen saver starts. (Click check box to activate).
Automatically Lock and Turn off the monitor when system is in inactive mode. (Set time to activate).
Automatically Turn off the monitor when system is in inactive mode. (Set time to activate).
Daily basis:- For example, letís say you want to set your computer to shutdown in fifteen minutes.
First select the Action Settings  (Sleep/Hibernate, Standby, Restart or Shut down), then set the time
and date. Once that  is complete you must click the (Start) check box and click (OK) button.

Weekly basis:- For example, letís say you want to set your computer to shutdown every day at 11:00:00 PM. First select the Action Settings (Sleep/Hibernate, Standby, Restart or Shut down), then set the time. Once that is complete you must click the (Shut down Computer on selected days) check box and select the days (Sun, Mon, Tue.Wed, Thu, Fri, Sat) you want to shutdown your computer, and click the (Start) check box and click (OK) button.