• If you are on on Mac OS 10.14 Mojave or earlier and can't access the microphone, check your operating system permissions to confirm that Zoom has access to the microphone. See Using the Zoom Client and Zoom Rooms with Mac OS 10.14 Mojave for more information.
  • If you are on Windows 10 and can't access the microphone, use the Windows search box to navigate to Microphone privacy settings. Switch on the Allow apps to access your microphone toggle, and enable access for Zoom.