What should I do if the power icon in the lower right corner of the Win8 desktop is gone?

On the laptop, the user can view the power icon through the power icon in the lower right corner of the desktop, that is, the taskbar, but recently the user responded that the power icon is not visible on the taskbar notification area, and the power icon disappears. What should I do?
How to get back the power icon in the lower right corner of the disappearing Win8 desktop:
1. Click on a triangle arrow at the system tray to expand the hidden program icon.

2, click “ Customize. . . ” button.

3. Open the “notification area icon”.

4, find the power icon, change the mode to “ display icons and notifications & rdquo;