@dmsummers - thank you for the suggestion. I gave it a try, unfortunately I had the same result.

My troubleshooting today consisted of going back to a fresh load, adding components one by one to the confit and starting it up. I got everything working. Then I updated again, and could no longer see the cameras. I also noticed the filter wheel connected to the camera did was not found, but the focuser was.

I went back into the updater, but when I returned to the desktop KStars was missing. I reflashed again, only this time I could not get the devices to all work. I thought maybe it was the card. I grabbed another card and went through the same steps. Everything connected, so I installed the update. Right after installation Iran KStars, befor rebooting. I was able to start all the devices. Then I did a reboot, and could not get the cameras or filter wheel to work again.

The last thing I did was to take the RPi4 out of the equation. I installed the latest KStars on my MacBook and connected directly to it. All devices came up as expected and could be controlled.

At this point there are a lot of odd things going on, and plenty of people are running fine. I do not think my setup is that unusual, ASI cameras (2), ASI EFW, focuser, and Skywatcher EQ6r Mount. Now I am wondering If it is the RPi 4 itself. It is one of the early models, and gets dragged around a lot. I’ve ordered a new one, a 4GB version (my current one is 2GB). It should be here in a couple days and I will give it another shot.

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