Show all icons in the notification area (system tray)
Unused icons in the notification area are usually hidden. If you prefer to show all of the icons (even those that are not currently in use), follow these steps.
Open Taskbar and Start Menu Properties by clicking the Start button , clicking Control Panel, clicking Appearance and Personalization, and then clicking Taskbar and Start Menu.
Click the Notification Area tab.
Clear the Hide inactive icons check box, and then click OK.
The notification area will no longer hide any icons.