When I try this on my Nuvi 1490 or 1690, everything goes great until I get to the point of...
"Drag your rgn file onto the updater.exe and click "USB Device" since it defaults to "Serial Device". The drop-down to the right of "USB Device" will be greyed out until we boot the nuvi into pre-boot mode and connect it with a USB cable."
I did not get this error on my 1450, but on the 1490 or 1690 at this step when I see the Garmin device (not grayed out) and click OK it says:
"The Garmin device is not responding. Please ensure the following and try again: 1. The Garmin device's Interface option is set to Garmin or Host mode. 2. The cable is connected to the correct serial port. 3. The Garmin device is turned on."
Thoughts on this one? Please need helpppppppppppppppp
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