Hello and sorry you're having problems.
It sounds like your Magellan needs an Update (which is what the picture of the GPS plugged into a computer generally means).
In order to do this, you will need to plug your GPS into your computer using the included USB cable and then click on the link below and follow the instructions as outlined on that page:
If for some reason you do not have the cable to plug the GPS into your PC and would like to purchase one, that cable is available at the link below for purchase:
If you need further assistance let me know. Before you go, PLEASE DO click at least a 3 STAR RATING, at the top of your screen. That is how I am credited for my efforts by the site. You can follow up any time as needed at no additional cost.
Do you need further assistance with this?