The Live Preview feature requires a modern browser that supports the ability to launch a camera from within a browser. If you believe that your device supports that functionality, you may just need to reload this page to let the browser try to activate your camera again.
The ability to activate your camera in a browser is currently supported by Google Chrome, Mozilla Firefox, and Opera, in both their desktop and Android versions. It is supported by Apple's Safari browser, version 11 and higher. Microsoft’s Internet Explorer has yet to add support for this functionality.
If you cannot get this working, we recommend emailing a link to a compatible device or just use the
Wall Preview Tool >>
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Email a Link to a Compatible Device: