Cannot Configure COM Port

Mar 8, 2016

I am using a new W10 laptop, with newly-installed software for controlling a telescope. This requires a USB-Serial adapter, which I have used successfully with W7 on an earlier machine. Now I cannot configure the COM ports. I get the message "Device (or COM Port) does not exist". I have tried setting the COM port in Device Manager to all numbers from 1 to 15, but with the same results.

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