Hi Neil,
Have now gotten to the stage where I am trying to upload the new firmware file into the Nuvi using updater but am finding that updater is not able to see the USB device (Nuvi). I start up the Nuvi and press the battery icon which puts it into a diagnostic mode, then connect to the pc and run updater. Click on USB connection and press ok. Thats when i get the no USB devices available message. The USB ports are ok as i can see the Nuvi and the drive when normally connected to the pc (not in diagnostic mode).
No Nuvi's are shown in the drop down window in updater for USB devices when the Nuvi is connected.
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