xTool D1 - Another communication obstacle

This may mean that a subtle difference is offering a different obstacle.

I’m going to move this to your own thread so we can get to work on it.
Please tell us more about your specific and subtly different setup.

This may help us understand together, what’s going on.

A screen capture of the Device Settings pop-up may be informative.
You can capture it with a screen grabbing tool after clicking Edit and Device Settings. Once you have the image in a file, you can drag and drop it into a reply here.