How to enable or disable the microphone.
- Click the Start button and then click Control Panel.
- In the Control Panel window, click Hardware and Sound.
- In the Hardware and Sound window, click Sound.
- In the Sound window, on the Playback tab, click to select Speakers/Headphones and then click the Properties button.
- In the Speaker/Headphones Properties window, click on the Levels tab.
- On the Levels tab, next to Microphone, click on the speaker button [FIG. 1] to enable or disable the microphone.
- Click the OK button.
- Close the open windows.