When you go out with your laptop, you often have to look at the battery, but recently you suddenly found that the power icon in the Windows 7 taskbar notification area is missing. Open the notification area icon management, Power Options The block is grey and cannot be selected.
The breakdown diagram is as follows:
Open the Local Group Policy Editor by typing gpedit.msc in the Start search box and then pressing ENTER.
Under User Configuration, open Administrative Templates-> Start menu and taskbar, and in the Right detail window, locate and double-click the Remove Action Center icon option.
Configure it as not configured or disabled, and then press OK to exit.
Now, back to the desktop. Right-click "Show Hidden Icons" and select "Properties". Open the Power icon.
The above operation taskbar can also display the power icon normally.