Tom Tom instructions is state I can download other maps from around the world at no cost (currently loaded with Australia). How do I down load maps for North America

Would need to connect TomTom to your computer to do so.

https://www.tomtom.com/en_gb/sat-nav/maps-services/shop/travel-map/australia/

So it never work even on a different unit so the problem there can be with the SD card the data inside it might be corrupted, how about if y9ou check the content of that SD card to make sure data are still there...

Hope that helps.........

Yes, you can load the map of "southern Africa" which includes South Africa. Go to the tomtom website ... click Maps ... look for "Map of the World" ... and look for Southern Africa.

Then you can purchase the map ...and, download it to your TomTom ...

That is really strange!
I can only suggest that you verify what MAPs are physically on your TomTom device by connecting it to a PC/LAPTOP and use Windows Explorer to look at your GPS drive folders: should see a folder for each 'country' (like GUAM).
The normal way to check which maps are registred and loaded on your device is to use TomTom Home -> Update maps function: it will show you the status or whereabout of any Maps that you have loaded or backup and which one can be purchased.
Hope it helps: let me know how you go.
ps.i f you wisely backup your device on a regular basis (via TomTom Home or direct copy to your PC/LAPTOP), you could always RESTORE FROM BACKUP and start again.

This problem is due to the memory card not containing the TomTom application or map. To update the application onto the memory card

• Connect the device to your computer.
• Open the TomTom Home application.
• Click on 'Update My Device'.

This should then install the application onto the SD card. Alternativly, you could perform all the steps above without the SD card in the device, this will install the application onto the internal memory. Note: you may also need to install your maps, voices, etc after you updat.

Use Tom Tom Home to find new maps and updates.

If you haven't got Tom Tom Home then download a free copy here:

http://www.tomtom.com/services/service.php?id=16&tab=87

Peter

All you need to purchase compatible map from manufacturer and install into your current GPS device by given instruction upon purchase.
Here is the link http://www.tomtom.com/products/maps/select.php

Good Luck

What maps it comes with depends on where you buy it. I have an Australian version which includes maps for all of Australia and works fine. Tom Tom update the maps periodically but an update is about A$150. It will also work with any other Tom Tom maps you have.

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SOUNDS LIKE YOU DOWNLOADED IT TO TOM TOM HOME AND NOT TOM TOM ITSELF. OPEN UP TOM TOM HOME AND LOCATE THE US MAPS THEN THERE SOULD BE A OPTION TO TRANSFER MAP TO TOM TOM.

I HAVE ALSO 910 TOM TOM AND A PRO AT TOM TOM DEVICES

LET ME KNOW