Win7 small speaker can not adjust how to solve

win7 small speaker becomes gray can not solve the problem

1, press & ldquo; CTRL + ALT + Delete & rdquo;, click & ldquo; start task manager ”, find "ldlorer.exe" in the process box, select, and then click to end the process;

2, after the end of the process we will find that the desktop is gone, do not worry, then we are in the task Click inside the manager <;file”——“create new task (run)”;

3, then enter “explorer.exe” in the "Create new task" column Next, the desktop will be back;

4, we will right click on the taskbar, now the property, in the "open and close the system icon", the small speaker switch can be adjusted.