What if the win7 headset has no sound?

The method provided here is suitable for this situation, please first ensure that the plug and the microphone plug are empty, and then ensure that the Win7 installs the correct sound card driver (generally after the driver is installed normally, it will be in the tray area on the right side of the taskbar). See a small speaker, as shown below:

Click the right mouse button on the small speaker tray of the task tray, and then select “Play Device (P)” from the shortcut menu.

In the "Sounds" window, click the "Play" tab, right-click on "Speaker" and select "Set as default device (D)" from the right-click menu. Finally press the “OK” button to determine.

If your headset and microphone are plugged into the front panel of your computer and the settings above don’t work, you can select “Settings” again in the above window. The default communication device (D) & rdquo; item.