The notification area is located at the far right of the taskbar by default, and it contains program icons that provide status and notifications. Showing sound icons on the taskbar might have turned off, enable it by referring
to these steps and check.
a. Right-click an empty area on the
taskbar, and then click Properties.
Notification area, click Customize.
c. Go to sound, select showicons and notifications on the taskbar check box, and then click
Change how icons appear in the notification area (the following link information is also applicable to Windows 8.1 as well).