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Reset your TomTom GPS receiver. Some TomTom users report occasional difficulty in getting their TomTom navigation device to start or respond to commands. If this happens to you, remedy the problem by performing a soft reset on your TomTom GPS. A soft reset will reset the data on your TomTom GPS receiver without erasing any data. To reset a TomTom GPS receiver, press and hold the "On/Off" button for 15 seconds or until the device restarts. 2
Let your TomTom GPS acquire the necessary satellite signals outside. If the device has trouble connecting to the satellite signals necessary for its operation, try an easy fix to the problem. Take your TomTom GPS receiver outside, away from mountains, tall buildings or heavy foliage, where the receiver has a clear view of the sky. Wait for a few moments while the device acquires the necessary satellite signals.
Read more: How to Troubleshoot a Tom Tom GPS ' eHow.com http://www.ehow.com/how_5533906_troubleshoot-tom-tom-gps.html#ixzz1hV4FBQ91
- To assist with GPS not finding satellites, go to the official TomTom support site and download and install QUICKGPS to your TomTom One. - Update your Map and QuickGPS files on a regular basis via Tom Tom Home.
It has helped me and hope it will minimise your issues: please let me know how you go.
1) Make sure the TomTom can "see" the sky well... the GPS satellite waves are rather weak and easily blocked by trees, and anything not a window.
2) Hook up your TomTom to the computer (see details at www.tomtom.com or in the manual)
2b) Do a "sync" and download all updates. One of the updates is a small file that tells the TomTom where the satellites are located this week, and helps it sync up much faster. The longer time between uses, the longer it takes TomTom to find the satellites, and that can takes up to 2-5 minutes sometimes.
That can be frustrating with a car full of people waiting to get going and the driver doesn't want to drive without making sure the TomTom works and is giving valid directions.
I have a Tom Tom One and sometimes it behaves as if there are no satellites no matter how long it is switched on for but I now just drive off and within a few seconds (30 seconds at most) is it suddenly acquires the satellites and it's OK. It just seems to be a quirk of the device and it doesn't do it all the time.
If it still does not acquire satellites on the move then it is probably faulty and needs to be repaired. HTH Peter
i had exactly the same problem, i dont really know how i solved it but first i thought it could be a memory problem slowing the gps signel so i reset the tom tom to factory settings then downloaded the updates from the tom tom home program of corce i lost all my destinations but i didnt want to do a back up just incase one of the updates had a virus or something so if u want to keep them i sugest u write them down first.and then i got a safty pin and pressed the reset button underneath where the memory card goes twice the second time i held it down for about 10 seconds then i looked for updates again from tom tom home. after that in tom tom home there is an option where u can operate your tom tom on your pc so i tryed that and i put in a destination on the pc and clicked on demo tour so i watched the route first it was a bit slow but started to speed up a little. after it had finished i un plugged the sat nav and went for a walk with it around the house soon as i went out side and set a destination it found 6 gps signels,make sure yhe battery is charged to at least half. well i hope anyone who follows my steps gets the same results, thought i lost 200 quid cos i have had it over two years and its only guarenteed for 12 months. well good luck.
I suddenly lost the GPS signal today and could not get it back. All I got was the "No valid GPS signal". My solution was to tap on the GPS satellite bars when in the route map. this brought up the "Status summary page of the TOMTOM.
I then again tapped the satellite bar which brought up the "GPS Status" page. I then tapped the bar labeled "configure".
The radio button next to the option titled "Minutes (dm.m') was selected. I then moved the selection to "Degrees (d.d) and it started working.
I had just downloaded the GPS fix 5 days ago so it is not like this suddenly caused it to stop working.
This may not work for everyone but this is what it took to get mine working.