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GARMIN NUVI 1390LMT
I put an sd card in the unit to format it for the garmin I accidently formatted the Garmin , it now just shows the Garmin Logo and nothing else, I can't connect it to the computer either? Anyone can help?
edited October 2017
See this, it has helped some people:
Otherwise, it is probably just dead. You could try contacting Garmin support, sometimes they will help. But that is a very old device that could be replaced with a refurbished Nuvi 50 series unit for about $60.