You can test your webcam online or using programs that come with Windows 10 or your Mac. You don't have to wait for a video call to find out there's a problem with your webcam - test it ahead of time.

If your Zoom camera is not working, this article may help you fix it. Some users have complained that their camera has stopped working on the Zoom app, whereas some users said that their camera shows ...

To use this app, open Privacy settings, and change settings to allow this app to use your camera and microphone. If you need it, here’s the error code: 0xA00F4245 ...