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Old January 2nd, 2018, 09:31 AM   #2
Steve Bailey
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Join Date: Apr 2002
Location: The boondocks of Western Massachusetts USA
Posts: 6,564
Is it trying to use COM1? A USB mouse will most often be a higher COM port number. If you have RSLogix and RSLinx installed on the same computer, check to make sure RSLinx has relinquished the port. Even when you aren't running RSLogix, RSLinx may be keeping it for when you do.
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