How do I set the Win7 stereo mix effect?

How to solve the problem of Win7 system without stereo mix, how to set the stereo mix of Windows7

1, click on the small Horn right button, select recording equipment.

2, into the recording equipment menu, we found that there is no stereo mix this option, when we right-click in the margin, select "Show Disabled devices."

3, then stereo mix option has appeared, in this column right click, select "Enable."

4, after the activation, right-click again select "Set as Default device."

5, at this time stereo mix option has become the default device, already available.

6, double-click Stereo Mix Properties, enter the menu and select "Level" and adjust the appropriate mix sound volume. When you have finished setting up, click OK.

7, back to the desktop, in the small horn out of the right button, select "Play device."

8, enter the Play menu, double-click the Speaker options.

9, select the "Level" column, when we often find that the microphone is mute, then we remove the mute, and adjust the microphone volume. The adjustment is complete, click OK.