If you are using a webcam on a desktop, you may need to adjust your browser settings to allow your camera access. Here are links to the instructions for various browsers:\
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[Google Chrome](https://support.google.com/chrome/answer/2693767?hl=en&co=GENIE.Platform%3DDesktop)
[Safari](https://support.apple.com/guide/mac-help/control-access-to-your-camera-mchlf6d108da/mac#:~:text=In%20Safari%2C%20to%20allow%20a,click%20Websites%2C%20then%20select%20Camera.)
[Microsoft Edge](https://support.microsoft.com/en-us/windows/windows-camera-microphone-and-privacy-a83257bc-e990-d54a-d212-b5e41beba857#:~:text=In%20Microsoft%20Edge%2C%20select%20Settings,Permissions%2C%20select%20Camera%20or%20Microphone.)
If you are using a different browser, check the help pages for that browser.