First are you going to want to charge me for answers? i need to know what to do when my tomtom one madel number 400 loses it's statilte and can't find it. could you please offer me some advice that i might try?

To find the product code -
Turn on your TomTom GO;Tap on the bottom right of the screen (on the "sattelite reception icon");Tap on the version number;The product code now appears on the first line at the top of the screen, and consistes out of 2x5 numbers and letters.
Here is a link that will answer all your Tomtom questions as well. Should you have other questions.http://www.mytomtomgo.com/special_faq.php
Let me know if this helps.

The device can be run from the lighter plug without being charged first. The obvious answer is: plug in the device again; when the car is key is in and electricity switched on, it should charge again.

Most Tomtom devices also come with a standard USB cable or charge cradle with non-standard connector on device end (but USB on the other). It plugs in a PC for use with the Tomtom HOME software and also for charging.

How old is the battery? Rechargeable batteries usually last 3 to 5 years before they start losing their ability to give normal power and voltage. If it is 3 years or more, it is suspect to be at fault; if 5 or more, most likely a new battery fixes the problem.
If the tomtom is at fault, you are most likely out of warrantee time, however, most people never contact the manufacture when there is a problem (even if it is in-warrantee). I suggest you contact manuf. and do not take no for an answer. Be a pest to them about your problem and tell them you will berate them and crucify their product on the internet. Send them the unit (afterall , if it is bad, you have nothing to lose), let them deal with figuring out how to get you off their backs. It usually works very well-----they'll send you a new one just to shut you up. Goodluck, Macgivor

Try holding the reset butoon for 30 seconds.

n rare cases, your TomTom device may not start correctly or may stop responding. If this happens, try resetting your device. The only information lost on your device is the clock’s time zone setting. Select your device from the list below to see how to reset it.


Select your device: TomTom GO 940/740/540 TomTom GO 930/730/630/530 TomTom GO 920/720/520 TomTom GO 910/710/510 TomTom GO, GO 300/500/700 TomTom XL IQ Routes TomTom XL (30-Series) TomTom ONE XL TomTom ONE IQ Routes TomTom ONE 30 Series TomTom ONE 3rd Edition TomTom ONE 2nd Edition TomTom ONE 1st Edition TomTom RIDER 1st Edition, RIDER 2nd Edition TomTom ECLIPSE II TomTom DAIHATSU, TomTom ECLIPSE, TomTom TOYOTA Help Not sure which device you have? Type the first two characters of your device's serial number below to find out.



To reset your TomTom device, do the following:

1. Check that the battery is charged properly.
   Charge your device for at least 2 hours before trying to turn it on again. Make sure the charging light on your device is on.
   
   
2. Remove the SD card
   If your device uses an SD card, remove it.
   
   
3. Reset your device.
   Use a straightened paper clip, or something similar, to push the reset button for 15 seconds. See the pictures below for where to find the reset button.
   
   
4. Turn your device on.
   Press the On/off button for at least 5 seconds.
   
   
5. Insert the SD card
   If your device uses an SD card, insert the SD card.
   

The rest button is on the top of the GPS

TOMTOM is doing nothing! If the battery is dead change it, that was and is the problem low battery no sync no battery no work and defimnitely wont charge means it has to be replaced

the battery is so just change it and all should be well again for a week or so! i am being facetious as TOMTOM are not good products as you can determine by the number on here needing reapir or help for much of the same problems

we can help solve this problem, we have touch screens for replacement

Fargohill

the only thing i can think to do on this is go to www.tomtom.com see if there is any phone numbers or see if you can find the answer via type product.there are so many ways in different electronics to reset passwords.and i see there are many different types of tomtom's
good day
kz

If its a tomtom one V2 then the only way to charge is via USB . Looks like you need a repair. There are many places to get it repaired other than TomTom but we need to know where in the WORLD you are ? Theres no point in telling you theres a repair shop in Downtown Sidney if you actually live in France .