What should I do if the Win10 notification area cannot find the volume icon?

There is a Win10 user who does not know what operation, the volume icon (speaker) in the notification area in the lower right corner of the Win10 system is lost, and now I do not know how to adjust the system volume. How to solve this problem?
Operation steps
1. We use the mouse to click the up arrow icon in the lower right corner of the computer.

2. Then we select "ldquo" in the pop-up options "Customize"

3. We click on the <quo;notification area icon“ below the window to enable or disable the system icon ”

4. In the <quo;system icon” window, select "Volume" to “ enable ”, then click “OK”.

5. Set up, you can see the "Volume" icon in the lower right corner of the Win10 system. This way we can choose to adjust our volume so that the setup is successful.

Other users feel that the notification area space is precious, not limited to the operation center this icon appears to occupy the position, then you can refer to the "How to remove the Win10 taskbar notification area operation center icon" this tutorial to thoroughly Remove.