Hi there and welcome
If you had made a backup of your favorites, using the procedure below, then you may be able to get your favorites back. If you had not used the procedure and did a Master Reset (where you had to clear the user data) or the battery has gone bad and had to be replaced, you will have lost the addresses.
Back Procedure--------------You can back up your favorites with MapSource. In order to use MapSource you must have access to the maps loaded to you device.You must have a DVD or download of the maps currently on your device in order to download the MapSource program.Here are the steps for downloading MapSource:Make sure to use the newest version of MapSource. The file can be downloaded by clicking on the link below: http://www8.garmin.com/support/download_details.jsp?id=209Connect the device to a direct USB 2.0 port on the PC using the USB cable.In MapSource, from the Main Menu click Transfer.Click Receive from Device.In the pop-up window, confirm that Waypoints is checked.Click Receive.From the Main Menu, click File then Save.Choose a location on your PC to save this file and name it.Click Save.Once transferred, you can check to see the waypoints in MapSource by clicking the Waypoints Tab.--------------
But you have to of made a backup like this else they are lost sorry. I would advise you do this backup in the future.
If you would like any additional information or assistance, please do not hesitate to let me know.
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I would advise to do so moving forward with the instructions I gave to avoid this happening again Eleanor
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