In this article, we look at why a MacBook microphone might not be working, and how to fix it. We need the in-built microphone working for those calls we need to make. One way or another, most of us rely on our ability to speak to our Macs and use it for calls. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.