June 4, 20224 yr Hi, I got the GTN 650 to work but now the GTN 750 is showing as unmapped and I tried all the troubleshooting steps including changing from COM5 to a different Com#. I wonder could it have something to do with the version number? When I load the GTN 650 its version 3+ and this is showing as only version 2.2.2. Any ideas what could be the issue? I don't have the same problem with the GTN 650. Alex
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