Hi @Cocoapuff2000,
Greetings from the Roku Community!
We appreciate you letting us know about your Roku wireless doorbell camera that is showing a black screen on video. We will work with you to know what went wrong so we can assist you further and fix the issue.
When and where did you purchase your Roku wireless doorbell camera? Are you getting any error messages or codes on the Roku Smart Home app?
Kindly try signing out and signing back in, then uninstall and re-install the Roku Smart Home app. After doing so, please update the software on your Roku Smart Home device.
Let us know how it goes. We are eager to hear from you and investigate this matter further. Thank you!
Kind regards, Eunice
Eunice L.
Roku Community Moderator