macbook air camera

Hello and welcome to Apple Support Communities, martyce!

We understand your camera turns on and off when using with Facebook Live. We'd be happy to provide information to help you troubleshoot this.

Try the steps suggested here: If your built-in camera isn’t working on your Mac

Have a great day!

Try running diagnostics to diagnose the issue. You can do so by restarting your Mac and holding the d button until the apple logo appears twice. Although you probably would have to send it in for repair, this can help show you what's wrong.