Head to System Preferences > Sound, and then click the “Input” tab. RELATED: How to Troubleshoot Bluetooth Issues on a Mac Check the Sound Input SettingsĪ common cause of microphone problems is a misconfigured sound input. Once you’re confident your chosen microphone is connected and powered on, it’s time to take a look at the audio settings. If you can’t get your Bluetooth headset to work, unpair it by clicking the “X” next to it in the “Devices” list. Finally, pair your AirPods or Bluetooth headset under System Preferences > Bluetooth.