As you can see Windows has set the port to COM10. However many legacy applications expect the port to be between 1-4. Let’s change that:Right click on the device and click on ‘Properties’.
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Click on ‘Port Settings’. Then click on ‘Advanced…’.
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Once you’re in ‘Advanced Settings for COM10’ on the bottom you can see the ‘COM Port Number: COM10’. Click on that to change it to the lowest possible number (between 1-4).
Then click ‘OK’ on all open Property Windows. Now the device should look like this:
