1, first of all, in the desktop right mouse button my computer, in the right-click menu bar options, select Properties, as shown in the figure below.

2, and then in the open system interface, as shown in the figure below, click on the upper-left corner of the Control Panel home page.

3, then in the Control Panel, as shown in the figure below, select the Power option, click to enter.

4. Then in Power Options, click on the left side to select the time to turn off the monitor.

5, and finally by turning off the monitor behind the drop-down menu to select the time, and then click to save changes can be.