Notebooks are generally equipped with a built-in microphone. When using headphones on the computer, there may be noise. At this time, you can solve this problem by turning off the built-in microphone setting in the computer system. Now let me tell you how the computer turns off the built-in microphone
Right click the icon of the recording device in the taskbar and select the notification area;
2. Select the microphone and click the properties below, or double-click the microphone directly;
3. Expand the drop-down box in the device usage at the bottom and select "do not use this device (disable)";
4. The device has been deleted and the microphone has been deactivated;
5. Or right-click the microphone and select disable to achieve the same effect;
6. If you want to reuse the laptop microphone, just enable the device again.
Summary
These are the detailed steps to disable and re enable the built-in microphone on the computer.