Question about Garmin nuvi 750 GPS Receiver

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My Nuvi 760 doesn't hold a charge and keeps shutting off when charging in car outlet. Thanks for any help you can give me.

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Check the car charger cigarette lighter adapter plug first, at the silver tip end of plug it has a fuse, Unscrew the silver tip CAREFULLY its spring loaded and check fuse...

Posted on Nov 06, 2010

Testimonial: "Thanks. Good idea but the fuse is OK. It also doesn't seem to charge much when USB commected to computer."

  • perdue40 Nov 07, 2010

    The USB will take at lease 3 hours to fully charge

  • tomhamilton7 Nov 08, 2010

    I tried the USB charge overnight and there is no power. Going to try a new battery. Thanks for helping me through the alternatives.

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1 Answer

Garmin nuvi 760 charging problem


The wire may be defective, especially where it plugs into the connectors.

Nov 25, 2013 | Garmin Nuvi 760 Car GPS Receiver

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Speaker not working on Garmin 760


Try resetting the unit and also charge it using only the wall charger overnight. Here's how to reset -it just puts everything back to factory settings - 1- Turn unit on WHILE HOLDING your thumb in the lower right corner as shown in picture. 2-Select YES PLEASE Take the time to vote me up this is my only reward for trying to help. Thanks

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May 02, 2010 | Garmin Nuvi 760 Car GPS Receiver

1 Answer

Nuvi 750 wont turn on even when i hold the on button for a minute or more


Looks like the in-built rechargable battery is fully discharged. Try charging it for good amount of time like more than an hour through Car or computer charger. Keep the unit off to maximize charging.

Oct 05, 2009 | Garmin (010-00583-00) for nuvi 750/760/770

2 Answers

My Garmin will not power up.


The batteries may be depleted. Try charging via USB cable connected to a computer if cigarette lighter method does not work. When connected to a computer, the device should power on but no maps will be displayed. Disconnecting from the computer should cause the 760 to reboot - if the batteries are charged.

After charging, slide and hold the power switch for 5 to 10 seconds to power on.

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Sep 14, 2009 | Garmin Nuvi 760 Handheld GPS Receiver

1 Answer

Unit got hot and stopped working properly


Nope! It may be the way you treat it


1) do not leave it in a hot car
2) do not plug it in and start the engine.
Goodbye SIIREF chip
3) do not just charge itb in the car Charge it from an AC or USB source first.

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Aug 30, 2009 | Garmin Nuvi 760 Handheld GPS Receiver

1 Answer

I turn on my nuvi 760. It begins tio startup. Begins to look for maps. Then it shuts down. Now what? Thanks!


i suspect it cannot find the right files to run the maps or that the battery is not properly charged
most likely the latter

Aug 12, 2009 | Garmin Nuvi 760 Handheld GPS Receiver

1 Answer

Charging Garmin Nuvi battery for first time


The Garmin Nuvi 855 uses a Lithium-ion battery. It is a very clean system and does not need priming as nickel-based batteries do. The 1st charge is no different to the 5th or the 50th charge.

In other words there is no memory effect with these batteries and it should be safe to charge it for as long as you like on the first charge. I would estimate 4 hours will give you a full charge if you wish to do this from the outset.

Jun 21, 2009 | Garmin Nuvi 760 Car GPS Receiver

1 Answer

Garmin 760 wont come on


Try holding the power slide to the left and holding it there for 8 seconds. If that doesn't work, try charging it via your PC & USB cable. If that doesn't work, try a mains charger if you have one (I had to do this with mine). Good luck!

Dec 31, 2008 | Garmin Nuvi 760 Handheld GPS Receiver

3 Answers

Garmin Nuvi 760


Sounds like you both have a battery problem. I experienced a similar problem when trying to charge via the USB-cable connected to my computer.
Ended up buying an original charger (expensive) and the charging went smooth.
The car charger should in any case work fine, so probably your battery is not very healthy.

Try holding your finger on the battery symbol for about 10 sec. The unit will then switch to a technical page. There you can observe the battery and charging voltage. When I plug in my computer USB-cable, I read around 4,4V and that is not sufficient for charging my battery.
When connected to the original charger, this voltage rises to about 5V which gives a nice charge. When unplugging charger, the unit displays the battery capacity. If the charging voltage is OK, but battery capacity drops quickly after you unplug charger cable, the battery is probably bad. (Of course you have to charge is for some time) I think around 4V battery voltage give 100% capacity. 3,9V gives about 90% capacity.
This will not solve your problem, but can give you an idea about what is wrong.
Good luck.

Oct 28, 2008 | Garmin Nuvi 760 Handheld GPS Receiver

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