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Re: CANNOT RECHARGE TOMTOM
If you have the green light lit on top of the tomtom but it won't switch on , then you have a condition commonly known as "the Green Light Syndrome". Most likely cause is blown components inside the tomtom that regulate voltage. The reason they blow is usually due to user connecting incorrect charger ( such as a 12v one for a phone ) or sometimes the tomtom charger goes faulty and instead of ouputting 5 voltas it outputs 12 volts and damages the tomtom inside. the parts are not easily repalced and require a specialist repair centre that has good experience of repairing tomtoms. You cannot repair it yourself using a normal soldering iron. Good luck.
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once you've removed the four Torx screws, get your thumbnail between the silver top and the dark grey back and prise the top open by about 1/4". Then lift and ease the front out.
There are two leads holding the two pieces together (one for the battery and the other for the speaker) but these are long enough not to break and once the unit is open they are on connectors anyway. hope this helps.
Your particular unit runs it's software from SD-Card.
you need to check if the card is not damaged: while unpowered push the SD card to come out insert it in a card reader on your computer and see if it reads it ok, if it ask's you to format it it means it's damaged and should be replaced ( the sd card of your tomtom should be replaced with another SD card which you should buy from tomtom for your particular device not a generic one). if it reads just fine reinsert it and start the device again..And about the reset the correct procedure is: Press and hold the On/Off button until your device restarts. This can take more than fifteen seconds. You should also install Tomtom Home on your computer, connect the device and update it if al the above failed (with a verified and working SD card inserted) - link for Tomtom Home: Windows, Mac
it sounds like your power adapter isn't supplying enough power to the unit. You should be able to try switching out the adapter with another and see if that helps. If the doesn't help, then there may be a problem with the recharging circuit on your GPS. AT which point you should contact TomTom.
First check the charger connection. If an alternative charger is available test different chargers.
If the Tomtom is starting, then try first resetting your TomTom.
To reset the TomTom follow the instructions on TomTom website, clicking here: TomTom, portable GPS car navigation systems - Factory reset . If the Nav is still freezing or is dead after reset, then there is an internal fault. In both situations the alternatives are going to a TomTom shop or calling the TomTom service number listed on manual and following the instructions given by their representatives. If the unit is completely dead, as a first thing better going to a TomTom shop and asking to test a different charger. The charger can also be tested at home using a multimeter on charger connector. Regards.
More than likely the small spaker inside has siezed up!
You can puchase a replacement (search ebay for replacement speaker tomtom) for about 10GBP.
They are easy to replace - 4 screws on back of 710, pop out main unit, and remove 4 screws holding speaker, unplug and install new one - reverse to assembly once more.
I had a strange experience in Vegas when I took my tomtom710 on vacation. the tomtom was silent in the UK - speaker dead as a doedoe, however 3-4 hours in the Vegas heat on the dash made the speaker pop back into life!
Result I thought, however on return to the UK the temp had returned to below miserable and the tomtom didn't wanna play ball anymore.
So, tested the output internally with another temp speaker, all works fine - so just ordered a replacement "original" tom tom speaker to fully fix.
It sounds like your mini usb connector is damaged or one of the components near to it. If you're handy you
can buy a replacement and solder it in. You will need a very fine tip
soldering iron and a magnifying glass. The repair can be quite
challenging as the components are surface mounted. If it's a damaged component near the USB connector that is damaged then this wont solve the problem. I can fix it for you for a small fee if you dont want to attempt repair. I've repaired about 20 tomtom units with similar problems. I charge around £35 for this including return postage