Question about Tomtom GO 910 GPS Receiver

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Delay in gps signal

Hello everytime i switch on my go910 it has a delay of sometimes upto 15mins!! in locating a gps signal.i have reset the unit i have tried formatting the hard drive but to no avail. can u please help. at first the unit was fine i have even tried scanning the harddrive with norton anti virus and defrag. can u plesae help. many thanks.

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  • ndhlovu Sep 29, 2007

    thts brill!! thx m8



2 Answers

I had same problem with my tomtom one, Tom Tom issued new software on their home page which reflashed the GPS module. Then if you logon and connect your tomtom to website under a week before you move location, then the GPS does a fast fix, about 1-2mins max in my experience

Posted on Sep 27, 2007

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Try taking it outside away from buildings, the unit needs to have a clear view of the sky. If it is in a car then you may need an external antenna,

Posted on Sep 22, 2007


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No gps signal

Hello Johnny,

A quick search in the Rand database shows there is a record of you registering your device, however we don't see any service tickets. Have you called Technical Support with your signal issue?

The answer to your question and many others can be found in the FAQ section on our support page at Additionally, for instructional videos on many of the TND & RVND features please visit the Rand McNally You Tube page at

The issue normally occurs when device does not have a clear signal view of the sky.

Your device requires a direct line of sight between the receiver and the satellite. When an object lies within the direct path, accuracy suffers due to reflections and weakening of signals. This can be the cause of lost signal in urban environments, within valleys and on mountain slopes. In all three situations, the objects (buildings and the Earth itself) are substantial enough to completely block the GPS signals. When weak signals are received, they may have been reflected off buildings and the surrounding landscape. Reflections generate multi-path signals arriving with a small time delay at the receiver. This results in inaccurately calculated position.

To troubleshoot a signal issue we first suggest you reposition the device in the vehicle and allow it a couple minutes to recalibrate its new position. If there is no signal in the new position, step outside the vehicle with the unit. Perform a reset by pressing the reset button. (Found on the side or back of the device depending on your model) When the unit powers up, allow it a couple minutes to recalibrate its position. If the unit receives a single outside the vehicle but not inside, than there is something interfering with the GPS signal. Do you have a large windshield overhang? Do you have a dash camera? A satellite radio? We suggest turning off those devices to see if your unit will receive a signal.

Please call us if the unit continues to fail with receiving a signal after trying the above recommendations.

Technical Support is available:
Monday - Friday
7am - 6pm (CST)

Feb 16, 2014 | Rand Mcnally Intelliroute TND-520 LM Truck...

1 Answer

When i hit about 15 mph the system resets everytime then keeps reseting there on after but with out the gps wire in everything works perfectly except the gps of course

The speed sensor wire is to estimate your speed while GPS signals are not availible. You sometimes see problems when that wire is hooked to something it shouldn't be. Double check that connection.

Jun 10, 2010 | Pioneer AVIC-F90BT GPS Receiver

1 Answer

TT One can't locate a signal

Hello mate try resetting your unit

Dec 31, 2009 | Tomtom ONE GPS Receiver

1 Answer

It just says its looking for signal, but never finds one. . Just stopped all of a sudden while travelling. Has a red X by the signal bo.

take the unit outside so that it has a clear view to the open sky, turn the unit on, then push the reset onthe side(you need a paper clip). let in sit outside to Aguire the satellites. this may take upto 30 minutes. if that does not work, you can try the latest update. bill

Jul 17, 2009 | Garmin nuvi 250 GPS Receiver

1 Answer

GPS unit finds satellites but wont navigate or show lat/long etc

not knowing what brand you have, most gps allow you to set your location then try and sync to the sats. have you tried that

Jun 15, 2009 | GPS

5 Answers

TOMTOM 910 will not turn on after charging

According to Kevin A who says, and thanks by the way (There is a reset button on the back at the top of the unit. It should be on the right side as you turn the unit around. Insert a paperclip or pin into this hole, and the unit should reset) at it works 100% because I tried this morning after being quoted £55 to have my GO910 fixed and now it works after the price of a paper clip. Doug rrp3

Nov 21, 2008 | Tomtom GO 910 GPS Receiver

1 Answer

When i put my Navman icn 320 on sometimes it takes upto 30 to 40 minutes waiting for the GPS signal to come through

Hello adamant,

In order to determine your current location the GPS needs to receive telemetry information from several GPS satellites. In order to do that it needs a clear view of the sky. This should happen fairly quickly, typically within a few minutes, but depending on how and where you are operating the GPS the process could take significantly longer or the GPS might be unable to aquire a satellite lock at all.

Local geography such as mountains, hills, tall buildings and heavy forest can block the GPS's ability to receive satellite telemetry. The same thing can happen if you are trying to operate the unit indoors or inside of a vehicle without an external antenna. That's why most GPS receivers are installed on the dash board of the car: the windshield and side windows provide it the best view of the sky.

It is also possible that there is a problem with the GPS receiver or the antenna. To test it, try using the device outside in a relatively open area with a clear view of the sky in all directions. It should aquire a satellite fix in about five minutes or less.

Best Regards,
"Go Ahead. Use Us.

Jul 08, 2008 | GPS

8 Answers

How to reset tom tom 910

the reset hole is hard to find... If you are looking at the back of the unit, it is in the upper right hand side of the liitle plastic protrusion at the top of the semi-circular opening above where you can see the exposed circuit board.

Mar 27, 2008 | Tomtom GO 910 GPS Receiver

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