My Garmin nuvi 255W- less than a year old- is saying system software missing and will not go off of the garmin screen- it has never been hooked up to a computer or anything so its not like an update was interrupted - any suggestions
Go on garmin's website, hook your unit up via usb and install the latest software.
http://www8.garmin.com/products/webupdater/howtoinstall.jsp
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