Question about Rand Mcnally TND 500 Car GPS Receiver
It's looking for its program files that are on the SD card. You either replaced it with a different card or you overwrote it and they are gone. If you have the original card with the files intact, remove the card you put in and replace it with the original. Some units require the card some don't. I am guessing yours is a T5B model.
If you overwrote it you'll need a new one from RM Tech Support. Call 877-446-4863
Posted on Oct 23, 2010
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Posted on Jan 02, 2017
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