I have left my tomtom 910 ac charger at home and am visiting a friend who has a camera charger that is 5.0 v DC 2.0A and was wondering if I could use it to charge my tomtom 910.
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Backup the Tomtom to your computer. !!!!!!!!
Format the Tomtom hard disk
Logon to Tomtom home and carry out an update
When it has completely finished updating copy the map directory back onto the root of your Tomtom hard disk.
This action forces the Tomtom home site to completely update the program on your Tomtom to the latest applicable application.
This may involve updating the the bootloader as well as the Navcore software.
The maps will go straight back on ok as they should already have been initialised for that device.
Most new Navcores now incorporate the Quickfix which enables the sattelite signal to lock on quicker.
Regular visits to the Tomtom home website will update the quickfix data which really needs to be done weekly as the data expires.
Pressing the reset button also renders the old Quickfix data useless.
If the above does not work then I suggest that you have a hardware problem which would require a professional repair.
- 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.
Connect your TomTom to the car charger and turn it on. Tap the lower right hand cornor where the sat. signal graph is. On the screen that comes up check to see if it is chargeing while connected to the car charger. It should say charging in the upper right hand cornor where it shows the battery status. If it isn't charging then you have either a bad pin on your windsheild mount or your charger is not working. If the charger is not working it may be as simple as replacing the fuse in the charger.
This is a common problem with the 910. Try putting an obstacle in the way of the wire to keep it on. Better still is to not use the home dock at all. Just plug the home charger in to the windscreen mount (device connected of course!) and charge it that way. You get a better charge and it will stay on.