1. Double-click the computer —— click on the display bar to open the control panel as shown.
2, then select the hardware and sound.
3. Click on hardware and sound.
4, to the playback device in the first column, select the sound playback device you want to use as the default sound device.
5, or select the sound playback settings you use, then click on the properties at the bottom right and in the pop-up dialog box, select Use this device as shown in the figure.
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