Question about Garmin nuvi 750 GPS Receiver

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Nuvi Blackout Nuvi kept telling me it could not acquire the satellite, then it displayed GPS update complete, then spent several minutes aquiring the satellite ( which it never did) and shut off. Went through this cycle several times. Now it won't turn on at all.

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This is a known problem that Garmin is fixing. Look at:

http://www.garmin.com/garmin/cms/site/us/support

Under "TOP FAQ" there is an entry for "My nuvi 755T, 765T, 775T or 785T will no longer turn on."

You will need to return your unit to Garmin for them to fix it.

Posted on Jul 02, 2009

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I have a nuvi 200w. My firmware updates and then I cannot aquire satillites. Do you have a solution?


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Make sure you have clear visibility of sky away from tall buildings.
If that fails try reloading software again, go to garmin and download web updater.
1 option in this is to reload all software again.

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Press and hold the antenna signal strength icon on the display to bring up Satellite reception information. This will show you what, if any, satellites are being tracked. It will also tell you if you're in DEMO mode, in which case real satellite signals won't be used for the position.

Additionally, you can check the hardware by using the built-in hardware self-test features by pressing and holding the battery icon. Examine the information presented on multiple pages by pressing 'next'. Look for the hardware TEST button and press it. Wait several seconds for results.

These two steps should at least tell you where the problem is. If you ARE getting Satellite signals but they aren't being used by the hardware, you may need to reset your unit. Also check for firmware updates by using the Garmin Update utility available on their web site.

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    Hello there and happy new year
    If Your Unit Cannot Acquire Satellite Signals
  1. For your Garmin GPS unit to acquire the satellite signals it needs to function properly, the unit must be taken outside, away from mountains, tall buildings and heavy foliage where it can get a clear view of the sky. Keep the unit stationary for several minutes while the GPS unit acquires the necessary satellite signals.It may take several minutes for the unit to locate a good solid signal
  2. OK
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While driving Garmin Nuvi 250 constantly loses satellite signal. The screen says that it is aquiring a signal. It is also constantly refiguring the route.


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  • If your unit has not been used for an extended period of time (more then a month), it may take 3-5 minutes to acquire satellites.
  • If your unit is indoors, it may not acquire satellites. Even standing next to a window indoors will block a majority of the sky which is needed for a device to locate and lock onto a satellite signal.
  • If you have just finished updating the software in your unit or you have performed a master reset, your unit may take 3-5 minutes to acquire while outdoors as the data that is used to locate satellites may have been erased.
  • If your unit has traveled over 500 miles while turned off or not tracking your travel, it may take 3-5 minutes to acquire even in ideal conditions.
  • If your vehicle has a protective coating on its windshield or electronic devices which interfere with the unit receiving signal, your unit may need an external antenna* in order to acquire satellites.
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2 Answers

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