Turning on the camera on a Mac is vital for your video call. Here's how to do it on any Mac computer.

Restart your computer. Plug your webcam into another available USB port. Check your webcam cable. The cable might be damaged. Test your webcam on another working computer. The above steps will let you ...

If your iPhone camera won't work, you may be able to easily solve it. Here are some quick fixes to try before contacting Apple.