Keeps losing the gps signal - Tomtom ONE GPS Receiver

there is no signal on my gps

Try connecting it to the computer and running an update from TomTom Home, there is a GPS fix that might help. Obviously the TomTom needs clearence to see the satalites in the sky otherwise try a hard reset with a pen in the bottom.

A few things that cause drop out.

Poor vicinity for a strong signal
A low battery ***** must be fully charged The DC is only maintenance charging and eventually goes flat.
A damaged SIIRF CHIP caused by starting the engine whilst the GPS is plugged in.
A failked fuse to keep battery charged for maintenance in the DC charge unit.

Try recharging battery( or replacing it if 2 years or more of age)

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how old is you Gps antena ,with a older one it can happen that they lose fix
Where is the Gps antena fixed inside the boat or outside
Allway try to put tha antana outside. abou 20 % more signal
Look after the antenakabel if the kabel is a little bit broken water coms inside thae kabel an the signal gets lower.

try updating with the latest GPSfix updates via the tomtom home software

If your Garmin Nuvi is 765T visit the Garmin web site and upgrade your software for free and also read: http://www.amazon.com/Nuvi-765T-died-tonight/forum/FxFTK8E026BG45/Tx3LG8KEDC3FWNU/1/ref=cm_cd_ef_rt_tft_tp?%5Fencoding=UTF8&asin=B001ELJER4

go to tomtom website ----> support ---->select product,

in the search box type in "lose signal",
click the "2. Updated - No GPS signal"
then follow instructions.

if it help rate the Solution Please

21/Apr/09

I have a raymarine C80 three in one GPS,Radar,depth sounder....no signal or scanner from radar on sreen it has power.

There are a few options for you...
1. Check to see under what kind of conditions the GPS loses it's signal. If there are tall buildings, is a cloudy day etc or even the position of the GPS in the car (does it have a clear sight of view of the sky)... In the latter case, you could change the position of the GPS where it gets a clear view of the sky. For Cloudy days, better have a map ready or preplan the route using mapquest/googlemaps, as nuvi 200 series is especially notorious for these type of situations. For tall building problems, what I do is (c330, not nuvi), just tap the route displayed on the top before the signal gets lost and memorize the next few upcoming turns. Or avoid downtown (where those huge skyscrapers are)
2. If you have enabled WAAS setting in the settings menu (it should be somewhere under "GPS mode", disbale/uncheck it and use the normal GPS mode. WAAS may provide you a more accurate position, but at the expense of some avaialble satellites.

3. Or your GPS may have a genuine problem, then your only recourse is to call Garmin and talk to them. Here's the contact info:
Support North America
(for all Garmin products except Apollo aircraft)
Monday - Friday
8 a.m. - 7 p.m.
Central time (closed holidays)
Email Product Support: [email protected]
Product Support Phone
1-800-800-1020 (U.S.)
1-888-442-7646 (U.S.)
1-866-429-9296 (Canada) or (913) 397-8200

Good Luck. Personally I would avoid the 200 series and go with the 3xx, 6xx or even better the 7xx series (if you need all the bells & whistles)

i also have the same problem my gps loses the signal i left the unit on power for two days and still no signal please help.