Click the Apple icon on the menu bar, and then click "System Preferences.". 2. Click "Sound," then the "Input" tab. 3. Click "Line-In" and close the System Preferences window. The internal microphone won't work with this option selected. You can use an external microphone if you connect it to the MacBook's audio input port.How do you setup a microphone?
Click on the "Start" button, go to "Control Panel," then click "Sound.". Click on the "Recording" tab, highlight your microphone and click the "Configure" button. Here you can set various options for the microphone and test it.How do I access my Microphone?
Click the Chrome menu on the browser toolbar. Select Settings. Click Show advanced settings. In the "Privacy" section, click Content settings. In the "Media" section: Ask when a site requires access to your camera and microphone: Select this option if you want Chrome to alert you whenever a site requests access to your camera and microphone.