I have 2 camera, a PiCam and a USB camera. If I disconnect the USB camera, the PiCam output is displayed. Is it select one or the other for display if I leave the USB camera connected?
What is the problem? How to select between two cameras
What did you already try to solve it? Read the FAQ
/var/log/webcamd.log, syslog, dmesg, ... no logs, no support) logs to follow if required
Additional information about your setup (OctoPrint version, OctoPi version, ...) Octopi 0.17, Octoprint upgraded to 1.14 on RaspberryPI 3B+