The lower right corner of the computer how to do the small horn icon disappear?

Point analysis:
Sometimes when you reload the system, the system is sound, but the small horn icon on the lower right corner of the taskbar disappears.
Operation Steps:

Step One:

Check the hardware sound card

Right-click My Computer-management-Device Manager-Voice, video and game controllers, see if there is a yellow question mark, if there is a need to reinstall the driver, if normal, then proceed to the next step;

Step Two:

Lower right corner taskbar Right-click Select Properties--Taskbar Click Custom--Change the notification behavior of the volume item to see if the selection is always hidden, changed to always show or hide when inactive;

Step Three:

Control Panel-Voice, voice and audio devices-sound and audio Devices-check the volume icon into the taskbar;

If you reboot, the trumpet disappears again! See next

Step Four:

Modify the registry, Friendship reminders, move the registration form must be backed up before Oh!

Win+r, enter regedit return to open the registry

And then open Hkey_local_machinesoftwaremicrosoftwindowscurrentversionrun.

Right-new string "Systray", double-click Edit Key Value "C : Winntsystem32Systray.exe ", as shown below

That's fine!