win7中点击音量小喇叭不出现调节(win7系统音量小喇叭点了没反应)

问：右键是一种反射。左击应该会显示声级并进行调整，但是现在，左击根本不是反映。

Open HKEY _ local _ machine \ software \ Microsoft \ Windows \ current version \Run and create a new string system in its right window (right-click on the run to create it). The key value (double-click on the system tray to compile it) is C: \ Windows \ System32 \ systray.exe.