Release the Shift key when you see the login screen.Turn on your Mac and immediately press and hold the Shift key.Turn off your Mac (Apple menu > Shut Down).Go to Apple menu > About This Mac, if you don’t know. The steps differ depending on what type of Mac you have: Intel or Apple silicon. For example, in iMovie, click the Voiceover button and then click the Input Source to choose your external microphone. Ensure that your external microphone is selected. And, some apps (like iMovie) let you choose your input source.And ensure that the app you want to use is allowed to use your microphone. Go to System Preferences > Security & Privacy and from the sidebar, select Microphone. Check the microphone permissions for an app you want to use with your microphone.Also check your input and output volume levels. Are you seeing the external mic listed as an input device? And ensure that your external microphone is selected. On your Mac, go to System Preferences > Sound > Input.And lastly ensure that your microphone is turned on. Check these buttons and ensure that your microphone is not muted. Make sure the microphone isn’t turned off or mutedĭepending on the microphone, your device may have a mute button or volume control buttons. You can do so by going to the Apple menu > Restart. If this is the case, see the steps below. If the mic works on a different computer, then we can say that the problem is with your Mac. If it is still not working, you may want to contact its manufacturer.Disconnect your microphone and reconnect it into a different port on your Mac.Disconnect the microphone and reconnect it into the same USB port.Make sure that it is connected properly and firmly. On your Mac, verify that the microphone is plugged in securely.Check your mic and its cable for signs of damage.Does your mic work now? If it is still not working, it is highly likely that the problem is with your mic. Do you have another device? Simply plug your mic into another device. It is possible that the problem is with your microphone. Please follow the steps below one by one until the problem is fixed. Still, several users may prefer to use external microphones. Audio or sound recording issues frequently occur.ĭepending on your Mac model, your Mac may have a built-in microphone.USB microphone is not recognized or detected when plugged in.We previously explained what you can do when you are unable to use your built-in microphone.Ĭommon USB microphone problems you may experience on your Mac include: This article explains what you can do if your USB (external) microphone is not working properly on your Mac.

Macbook internal mic not working