Notebook Insert headphones have external tone what to do

On the desktop with the mouse on the right bottom of the speaker above, and then right click the mouse to select playback settings will pop up a dialog box as shown in the picture:

The mouse clicks the middle of the speaker icon, and then click on the Property button below the right, will pop up a dialog box. Click on the bottom right of the dropdown box, choose to use this device (enabled)

Finally click on the use of exit, and then try again, the headset will return to normal, headphones inserted in the notebook or have a foreign voice to solve.

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