How to solve the Win7 system in the volume of small speakers do not appear volume control button

1, open the Start menu of the running options, and run "regedit" into the Registry Editor;

2, open and then expand positioning to Hkey_local_machinesoftwaremicrosoftwindowscurrentversionrun;

3, then on the run on the right mouse click to select the new string "Systray" item, and then double-click the "Systray" key value, edit its value as "C:windowssystem32systray.exe";

4, finally click OK to exit the registry can solve the problem.

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