No image on one camera

[soho7]

All 4 cameras use to work fine now no Image on one camera. I can only see an image under pan & zoom in the video setting. There is a triangle warning with the one camera not working

[jguerdat]

The only triangle symbol I've seen is telling you that a firmware update is available.  That shouldn't keep the camera from working, though.

Try opening and closing the battery door. If that fails, remove the camera in Settings, My Devices and resync it.  Did that do it?

Edit: Might be worth trying a fresh set of batteries, too.