It doesn't look good. It could be that the unit has been formatted accidentally, the SD card has become corrupted or the reader damaged.
If it is a config problem, the unit can be reset to factory settings.
To reset your TomTom device, do the following:
You can read more about it at tomtom's support site:
http://au.support.tomtom.com/app/answers/detail/a_id/8820
SOURCE: Tomtom home does not detect
Try this:
http://www.tomtom.com/support/index.php?Language=1&query=home+doesnt+recognice&FID=7375
Follow instructions
SOURCE: Formatting a tomtom go 710
Hi, I probably cant answer all of your questions but I might help with some of them. You should be able to access your TomTom 710 without removing TomTom home software from your PC. It should be accesses as a drive through the USB connection in "my computer" on your PC. When a USB device is connected to your PC it appears as an external drive. Therefore you should be able to delete , load onto , or format the TomTom hard drive ( or with some other models the SD card ) as you would a normal drive . ( an example of this is where you might have a camer with SD memory card and relevant manufacturers software on your PC . you might connect your camera to the PC via USB and the camera software on your PC automaticly detects the camera for it to eb accesssed . However , the camera and it's SD card can also be accessed seperatly by going to "MY Compter" and it should also be visible there as an external UDB device / external drive ) . Now .. to another another question . If you do un-install TomTom home , I dont think it will also delete any backup of your TomTom , it will only delete TomTom Home software . ( the word "think" is mentioned because I have never tried this ). Besides that , you can choose in tomtom home , where you want any backups to reside , so you could save backups via TomTom home to a CD for istance. If you did that , then you would have the backup on a CD rather than your harddrive which means you could safely un-install TomTom home knowing that if it also removed any saved backup you would still have the CD with a backup on it. So , to summerise.... If it were me , I would make a backup of the TomTom by simply copying all the files on it by opening the TomTom up as a folder in "MY Computer" , simply drag any files and folders from the TomTom into a folder I have prepaired ( call it for instance "my tomtom backup" ) on my PC . Then I would format the TomTom drive then reinstall the backup and see what happens. If the TomTom still doesnt work properly , I would Format the tomtom again then use TomTom home to obtain all relivant files , then copy only the maps and .MAC files ( these are the authorisation files for the maps ) from my Backup to the TomTom manually ( not from tomtom home ). I would guess that would result in a working TomTom again ... Good luck.
SOURCE: Maximum SD card size for TomTom ONE XL
The XLS which is not that much different and supports 4Gb as used in mine which allows me to keep maps of the US,Canada, UK, and the whole of europe on it and swap at will. I bought a cheap generic one. I do kow that those cards that use micro sd can and do have problems so best to avoid the micro type unless your device takes those specifically
SOURCE: TomTom not being recognised by my computer
u have to install gps driver
u can download it from here.
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