Even when you have all the drivers installed, the icon might remain inaccessible. Note: In a number of situations, the Volume icon can be hidden in the taskbar. Once you click the sound icon in the system tray, the new volume indicator will appear on the screen. This includes the Date/Time pane, the Action Center, the Network pane and even the volume control. All of the applets which open from the system tray are different now. Advertisement Windows 10 introduced a new style of items and their panes/flyouts which open from the notification area.