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leave on charge for two hours, then if you have a sd card take the SD card out, hold down the reset button at the back of unit for ten seconds and then the 'on' switch for ten seconds. STEP 1
Connect your TomTom to your computer
via USB and open up your Windows Explorer and go to the drive. (It will be listed as TOMTOM (E) or some other drive letter).
Copy the Yellow Folders one by one to your PC. Ideally, save all the folders under a new folder that you name.
You may find that the folder ttntools and gns may not be copied. This is o.k. if they aren't.
Format your Tomtom via MY Computer.
Copy the Yellow Folders from the backup
you made in STEP 1 back to the TomTom.
Open TomTom Home
Click on Upate Now.
Install the latest update onto your TomTom.
Once installed, switch your TomTom off, then disconnect if from the PC.
Thats it. From now on, make a full backup using TomTom Home prior to any updates.
Also note, that copying all the files will take some time.
After checking around around the web it seems that you are not the only one to get the green screen of death. My suggestion is to hold reset for several seconds, release reset and hold the power button button for 10 seconds. If this doesn't work the only other option is to let the unit sit for several days to let the internal battery completly drain, once drained theirs a good chance it will function normally, this allows any temporary memory to be cleared.
Good Luck & hope this helps
1. Switch on the GPS
2. Tap on the screen
3. Tap on Change preferences
4. tap on the arrow 5 times
(If you look on the top left hand corner
you will see Preferences 6 of 6 at this point.)
5. tap on reset factory settings.
However, I find it very unfortunate that you had difficulty wit this GPS because I use the same unit in Canada and I find it way better than the Megallan I had. Did you try to update to the latest map. If not give that a try using TomTom home.
It may be a good idea to check the Planning preferences screen (This option is on Preferences 4 of 6). Try changing one or two options on planning preferences and check whether the GPS behaves better.
Fom what you describe it sound like you might have a faulty cigarette lighter lead. This may have caused higher voltage that normal to be input to the TomTom. If possible have the lead checked for its voltage output as it should be around 5v . Unfortunatly , if the lead has put too much voltas into your TomTom then it will have damaged it inside usually causing 1 or more IC's to blow. The repair will not be possible at home DIY style as it requires special soldering techniques and tools as the parts are extremely small. A seach on the internet or maybe ebay will give you some repair people.
The first problem you had might not be the same problem as this time . For resetting the TomTom you only need to do a single momentary push of the button ( not too hard as the reset button is delicate ) . This does a quick disconnect of the battery causing reset of proccessors. You might also try another type of reset where you hold the ON button whilst again doing a momentary push of the rest button. Ideally you should then have the TomTom on charge when you first attempt to switch it on after the reset. Please get your car lead checked before doing any of this.
If the unit is still under warranty, send it back to Tomtom. Even if the unit is no longer under warranty, complain to Tomtom. There is a problem with the CLA (cigarette lighter adapter). It can cause internal damages to your Tomtom. What happens is that there are three wires in the CLA along with a voltage stepdown circuit board. The wire are +, -, and a signal wire. If the signal wire get disconnect the voltage could spike up to 12vdc. The unit is designed for only 5vdc.
If the unit is out of warranty then try the following website for repairs. They can fix the two chips which usually blows.