We have a result!
After calling the helpline to find it was number unobtainable! I returned the unit to Halfords who called another helpline number. They took my e-mail address and when I returned home an e-mail was waiting with the following instructions which worked.
I now have a fully functioning TomTom! Thanks for the advice fellas:
Thank you for contacting TomTom Customer Support.
In this email you will find the solution for the error on your TomTom. This solution can be used in the following situations:
? The device hangs in the start screen (splash screen)
? An SD-card with a red cross is displayed on the screen
? A picture with a red dot and white cross is displayed
? The device can?t be turned off
If you haven't already done so, please download and Install TomTom Home from
http://www.tomtom.com/7602
If you don?t have a full backup of your TomTom yet we advise you to make one before continuing with the steps in this email. You can make a backup by following the steps below:
1. Reset your TomTom device:
http://www.tomtom.com/6965 and connect it to your computer.
2. Click on 'Backup and Restore -> Backup' in TomTom Home 2.0
3. Enter a name for the backup and click [OK]
? IMPORTANT: When the software is asking to delete parts from the backup click [NO]
After the backup is made you delete the files from the root directory of the TomTom. Follow the steps below to do this:
1. Reset your TomTom device:
http://www.tomtom.com/6965 and connect it to your computer.
2. Open My Computer in Windows, or Finder in Macintosh from your desktop and turn on your TomTom device.
3. On your screen a new removable disk appears, this is your TomTom device, click on the disk to open it.
4. You will see a list of folders and a list of loose files
5. Delete all of the loose files. IMPORTANT: The folders with their content must NOT be deleted.
5. Close the window when all files are deleted by clicking on the [x].
Next we will reinstall the application via TomTom HOME.
1. Start TomTom HOME on your computer
? TomTom Home should automatically check for updates and prompt you to install them, if not:-
2. Click on 'Update my device'. If you get the message 'No Items Available', or there is not an application to download, click on 'Add Maps, Traffic, Voices etc -> Items on my computer', select the application and click on 'Add'.
3. Select the Application update.
4. Click on 'Device -> Disconnect Device', then turn off your device when it is done installing and disconnect it from your computer.
5. On a PC, in the System Tray by the computer clock, click on the 'Safely Remove Hardware' icon and disconnect the TomTom also in this way.
When switching on the device it should boot as normal again.