I have accidentally formatted my Tomtom One(4N00.005) SD card without backing up all data.I copied all maps and other stuff from another Tomtom One to my computer's hard disk and then transferred all data to My Tomtom one.But when i turn on my tom tom it displays No Maps Found.I despratly need help to solve this issue.Plz Help me!

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TomTom Support

Hi,
First you need to have the relivent map on your SD card. Typicly this will be the Tomtom Map " Western Europe ". When you purchase maps from TomTom you also get an activation code and instructions telling you how to install the map onto your device and how to authorise it using the code that comes with it.
Before doing anything ... BACK-UP your existing data ( the whole SD card ) onto your computer . This will ensure that if any update is unsuccesful you can at least return things to the way they were before you tried to update.
There are several ways to obtain maps

• buy a new TOMTOM SD card for your tomtom that containes the required maps. Make sure it comes with the authorisation card.
• buy a CD from TomTom or a TomTom authorised dealer . This CD will contain the required map so you can download the required map to your own SD card. Make sure it comes with the authorisation code AND instructions.
• buy the required map from TomTom online . You can download it to your PC , then copy it onto your SD card later. It will come with some instructions and authorisation code ...... You can also use "TomTom Home" software and this does most of the job of downloading maps ( that you buy from tomtom ) and puts them onto your sd card for you in a semi-automatic way . If you go down this route then its best to be sure you have the latest version of TomTom home software by going to the TomTom website first.
  

With ANY of the above methods------- BACK UP your existing SD card first . In fact ... make a BACK UP NOW , then if anything goes wrong at any time , you can at least revert back to your backup.

Good Luck

The downloaded maps can be copied direct to the SD card or copied to the SD card via USB lead and PC connected through TomTom Home. Once you have the map on your SD card you will need to activate it with your product code number that you obtained when you purchased the map.

Good luck

I am very sorry to hear that you had no backup. Theres no way you can recover data once you have deleted it from an sd card. BUT , If you still have the authorisation card ( thats the one that generates the activation code ) then you might be able to copy data from another tomtom card to your card then reactivate it with the authorisation card. GOOD LUCK.
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OTHER TOMTOM USERS NOTE: Backup your SD Card.

The problem with that approach is that you cannot transfer maps from another device onto yours without product key activation codes. This is to prevent piracy or abuse of maps on individual devices.

Did you find a good solution?

If you have TomTom that have the slot for SD card, then it should accepted the SD card. The instruction for how to use the SD card is simple, but it is hidden in the TomTom Home, that's why it's difficult to find it. Below are the instruction how to use the SD card.

1. Format the SD card (FAT32) and do not stick the SD in the slot yet
2. Run Backup (connect TomTom device to computer)
3. Disconnect TomTom from computer and turn off
4. Slide the SD into the slot and connect TomTom back to computer (choose "yes")
5. In the TomTom Home menu, Choosen Backup & Restore >>> and choosen Restore

TomTom Home will add all applications to the SD card. So the internal memory still have the applications and the SD card also had the same applications. Everytime you slide the card in, TomTom will automatic detect and use it as its primary storage, if it not detect, you can go to the device menu and pick the device to connect to.
Whenver you take the SD card out, then TomTom will use its internal memory.

Hope this helpful

Go to:
http://www.tomtom.com/support/index.php?Language=1&query=red+cross&FID=1898

Follow instructions...

Hi, i did the same thing with my tom tom 300 go, i fixed it by borrowing my mothers sd card from her tom tom 710, i put the card into a card reader and copied the hole card to my computer then copied it back onto my sd card out of my tomtom then put in mine and bingo it worked with all the fetchers that her tom tom had and the updated maps it still said it was a 300 but had the 710 stuff try this it worked for me it should work for you.

You definitely need software and maps on an SD card. The TOMTOM will not work without a card inserted. The card will contain MAPS , Map authorisation codes ( to show they are genuine TOMTOM maps bought and paid for ) , POI ( points of interest ), GPS fix data , voices ( for spoken navigation ) etc etc etc. ....................
PLEASE NOTE , TRYING A CARD FROM ANOTHER TOMTOM is very unlikely to work. Each card has an authorisation code that is generated via an algorithm inside each TOMTOM and is device specific.
However , trying a card from another tomtom might produce a diferrent result but still not work , at least this might prove that the tomtom is working OK before you rush out and buy a tomtom card.

Yes you can buy a new card with all the map data on it. You can also search the internet for a program to "unformat SD card" only if you didn't write any new information onto the formatted SD card