Question about Garmin zumo 550 GPS Receiver

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Garmin zumo 550 map update problem

Tried to update to CNE NT 2009 using the DVD. PC updated fine, GPS unit failed to update, and left me with base map only. Tried several more times. It repeatedly failed at the same point (27%) when transferring the maps to the unit. I cleaned out unnecessary files (voices, routes etc.) to free up space and then master reset the unit. Same result: failed at 27%. I tried transferring the new map via Mapsource: same result. Then I tried transferring the old map via Mapsource: it worked, and the old map (V9) worked fine.
But I want updated maps, so I ran the update from the DVD again... and it failed to udate.
Does this point to a problem with the new update? Has anyone any ideas? I need help!

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  1. Make a backup of your Zumo by copying all the file to your computer.
  2. Using your PC and MapSource select all the maps then send them to a SD memory card need 2Gig or bigger card.
  3. Try to rename this file to gmapprom.img and replace the same named file in your zumo. (I haven't tried this personally, so if it fails, just replace this with your backup and all will be as it was.)
  4. If this fails, you can use the SD memory card in your zumo and it will use this map instead, but it will take longer to boot your zumo.

Posted on Apr 11, 2009

  • myro99 Sep 24, 2010

    Garmin support answer:

    Question: How do I get more space on my nuvi, StreetPilot, or zumo for the map update?

    To free up more space on your nuvi 200, 205, 300, 465, 500, 5000, 600,700, 705, 800, 805 series, StreetPilot C500 series, and zumo 220, 450, 550, 660, 665 series you must remove unnecessary files, please follow the steps below:

    1. Connect the nuvi, StreetPilot, or zumo the computer with a USB cable.
    2. Find your My Computer icon and double click on it or you may find it in you Start menu and click on it.*
    3. Double click on the Garmin drive listed under devices with removable storage
    4. Double click on the Garmin folder
    5. Double click on the Voice folder
    6. Delete any unused voice language (be sure to keep your preferred language).
    7. Return to the Garmin folder
    8. Repeat steps 5-7 with Text and Help folders

    After the files are deleted please empty the recycle bin or trash. Once completed please run the map update again.


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