Same here and with aftermarket mount. The light comes on but its not really charging. I was acutally able to find a sweet spot basically by pushing it down and to the right slightly (into the base) and held it in place with left hand and put the unit in the upper left part of the windshield, elbo in the window frame and move the unit around until the low batter warning dissappears, then don't move. Theres a specific screen that will tell if its charging or not if you tap the lower right part of the screen after booting up if you can get that far. I forget what it was, I think displays speed and miles to go. (But definatley hold the whole unit down and to the right and hold it for a while so it can charge up a little.) Then try turning on and you should have enough power to tinker with it. I would up putting the tom tom in the upper part of the windshield, then stuffing balled up napkins between the roof and the unit to keep pushing it down.
I also plugged it in the the original computer hook up base to see if the problem was on the winshield one or the tom tom itself. Both chargers do it so I am assuming that its the tom tom itself. I still CANNOT figure out why the charge light could be on and still not charging. I am going FRD and taking it apart. (Fix Or Destroy) Since they are getting pretty cheap, nothing to loose I guess. After taking the unit apart. I found that the gold connector teeth thing that is soldered onto the mother board was loose. Instructions for taking them apart are here: http://www.unc.edu/~bmoc/tomtom/Tomtom%20Go%20910%20Dismantling%20Manual.pdf
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If you have a tom tom from the GO models
they hace a reset button you can press with a pin were the mount fits.
When you plug in the charger the green light should come on to say it is chargeing.
Try the car adapter to charge the tom tom
- if someone has used the wrong charger, and connected it to a 12V supply, the mainboard may be damaged. In that case, you need a replacement.
- the battery may be discharged. Even if the green light is on, it doesn't necessarily charge up. Try pushing it hard onto the mount for a few minutes, then see if it will turn on.
It sounds like the dreaded green light of death. The TomTom car chargers for this model and older had a inherit problem with sending more than the requaired amount of power to the TomTom 3rd edition and older models. When the extra power is supplied a diode in the TomTom burns out, but the green power light will come on.
green power light is on charger or in GPS? IF it is in GPD that mean you have to push and hold the power button on GPS for about 1min and release and wait , if the green light is on charger that mean the GPS connector is bad and have to be replaced.
Mine does the same, the light comes on on the charger, but not on the TomTom unit itself. There is clearly a loose connection in the cable somewhere as you can twist the flex and make it work, although this is not very reliable.
I just use a USB charger from an old phone instead.
If the green light does not even come on when you plug in the charger you must have an issue with the logic board. Did the GPS get wet or did it drop, was there anything else the preceded the moment it stopped working? There is a company that sells GPS logic boards for TomToms : GPS Repair
First , try a re-set through the 'reset' hole underneath the tomtom. 1 quick short press is all thats required. Unlike others suggest , you do not need to hold it in for anything longer than half a second. You should feel the switch 'click' as its a tactile switch. Don't press too hard as you can damage the switch and cause it to lock ON. Once pressed , try turning the tomtom on as normal. Sometimes a tomtom battery can drop below its normal "shelf" voltage ( normal is about 3.8 volts ). A tomtom charger has a protection circuit inside to stop or slow the current it gives out if there is a short. If your battery HAS dropped volts TOO MUCH ( less than 3 volts ) the charger can "see" the tomtom battery as a "short" and the charger therefore shuts down and doesnt charge the battery. You could leave the charger connected and HOPE that the very small amount of current it's putting out will eventualy bring the battery up over 3 volts. Once it is up near its "shelf" voltage ( called shelf voltage as that is the voltage the battery is at 'on the shelf' ie . when its not powering anything ) the charger will begin to charge as normal....... OR ... you can gain access to the battery and charge it from a bench power supply that has voltage and current meters. Once again , once the battery voltage gets something near 3.8 volts the normal tomtom charger can be used to charge it. You caould connect another normal battery to the tomtom battery just for a few seconds ( not recommended and can be a bit dangerous ) if the normal battery is such as a PP3 9v type it should bring up the tomtom battery to over 3.8 volts in a few seconds. The tomtom can then be charged as normal. .............. It is also possible that some internal IC's ( chips ) have blown inside the tomtom and unfortunatly this would require a specialist repair centre to replace them as they are really very very small and are not a normal soldering job. Good luck. ... if this post has helped you or interested you please rate the author.