Hi, thank you for contacting JustAnswer.com. My name is Russell. I will do my best to provide the right answer to your question.
First, try going to
Info [or, Map Info ]
and see what maps are listed there, and whether any of them are selected (with a check mark or tick mark on their entry).
If none are selected, select one.
Also note any messages that appear when it is first powered On. They may relate to the problem.
And mention if any map updates have occurred lately, possibly just before this problem appeared.
And I will advise you further as needed and as appropriate to what you see and what happens.
If this answers your question, please rate my answer. A five-star rating would be appreciated!
If you need more info, or have any comments, use Reply To Expert to respond.