If you’re trying to Facetime someone can consistently get a black screen, restart your Mac at least once before you move on to the following fixes. Facetime calls generally do connect easily and immediately though you can expect a delay if you’re calling someone connected to a weak network. The webcam will work with any app that can use it e.g, Microsoft Teams or Zoom but it is known as the Facetime camera and is meant to work with the app of the same name.įacetime, much like iMessage, works really well as a service but it does need to use the camera. A Mac or MacBook both have a built-in webcam.