Question about Garmin nuvi 750 GPS Receiver

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Nuvi 750 Car charger connection is intermittent.Either the Car charger or the Nuvi 750 connection is intermittent. The device will display a warning that it is using the battery - 27 seconds to turn o

Nuvi 750 Car charger connection is intermittent.Either the Car charger or the Nuvi 750 connection is intermittent. The device will display a warning that it is using the battery - 30 seconds and counting down to turn off or keep on battery.Then the warning starts again at 30 seconds after jiggling the device if I do not answer device. If I answer device to keep on battery it starts draining the battery until I jiggle it again (sometimes). Is there a quick way to figure out whether it is the car charger or the device itself?

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  • Garmin Master
  • 2,130 Answers

It is very rare that it would be a problem with the Nuvi 750 GPS itself. This is because there are stationary gold pads on the bottom of the 750. No moving parts to wear out. We have seen problems with a bad plug on the charger that plugs into the cradle and the receptacle on the cradle can go bad as well. I would suspect more toward the cradle as we have seen the receptacles break away from the printed circuit board that is inside of the cradle. Best way to troubleshoot is to find a friend who has a duplicate charger and cradle and swap each piece, one at a time and see which resolves the problem... either the cradle is bad or the charger plug is bad. If you want us to test your unit, cradle and charger, let us know. Good luck! :) More info on charger issues here:
http://www.sharc.net/gps_charger_repair.htm

Posted on Apr 24, 2013

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Charging doesn't display map when charging

I learned that with the unit off - hold the on button down - don't release it. A PRE-BOOT MODE message will appear at the bottom and may flash. Continue holding down the start button. The first time I did it a series of dots came on the screen and I was instructed to touch each one. After that it started as normal. I plugged into a wall charger and but git the pc and nuvi icons again. I repeated the process - holding the on button on and let the PRE-BOOT MODE appear and kept holding but this time a different message came on and then the PRE-BOOT MODE appeared again. I let it go and took the unit to my car and plugged it into the Garmin car charger and it worked as it used to - normal. However, when I plugged it back in the house to the wall charged I got the pc and nuvi icon again. It appears that I am using the wrong wall charger as a previous writes stated. But the nuvi still worked in the car plugged into the nuvi charger. I hope this helps.

Posted on Feb 01, 2009

ginko
  • 19396 Answers

SOURCE: Garmin Nuvi 255 won't charge with the car charger.

You may need to replace the battery.

The video on the link below shows how to replace the battery in a Garmin Nuvi:

How To Change The Battery On A Garmin Nuvi 760


Posted on Apr 10, 2009

ginko
  • 19396 Answers

SOURCE: Battery on Nuvi 750

The video on the link below shows how to replace the battery in a Garmin Nuvi:

How To Change The Battery On A Garmin Nuvi 760

Posted on Apr 10, 2009

sharcnet
  • 2130 Answers

SOURCE: Garmin Nuvi 750 will not turn on. Any ideas on

Hi Jessica,

Move the on/off power switch to the left and hold it there for at least 30 seconds and see if it comes back on. I know there was a bug in a firmware version that makes the unit "bricked" after a certain date. The only way to fix it if the reset didn't fix it is to disconnect the battery inside, reboot the unit and install the firmware fix.

- Jim
www.sharcnet-usa.com

Posted on Aug 20, 2009

MicroSofty
  • 75 Answers

SOURCE: charger does not charge and battery is draining

Check for power at the cord. Then check for power at the rectacle. If you have good power but it still doesn't charge, send to Garmin for repairs.

Posted on Dec 20, 2009

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Related Questions:

1 Answer

Will the garmin nuv GPS 750 Work witout a battery? Using the car power adapter only.


Yes.... You can actually take the battery out of the unit and run the unit on the DC car charger, however once you remove the charger, the unit will die immediately.

Jul 13, 2013 | Garmin nuvi 750 GPS Receiver

1 Answer

I've borrowed a friend's Garmin for a trip and when I use the car charger, it doesn't display anything. Once I disconnect, it becomes visible again. I'm going on a long trip and worry. ...


Assuming there is power at the cigarette lighter jack - turn the Nuvi off - then connect the charger. It should display charging battery or charging complete.
If nothing - does it charge with the wall charger? If so check the fuse in the car charger - it's usually in the tip of the charger which can be turned to get the fuse out.

Jul 05, 2011 | Garmin Nuvi 660 GPS Receiver

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Garmin Nuvi 750 car cradle/charger does not charge the unit. USB charger works, so not the battery. Replaced the cigarette lighter jack and still does not work. Problem must be in the dash mount cradle...


Hi tbrick

if you dont have the original charger, the 750 take a special car charger because of the traffic feature...it has a flat end about 3/4" to 1" long that fits in the cradle, but you can use a garmin usb charger, you just wont be able to use the traffic feature.

if thats a little confusing ( i tend to do that) i try and explain it another way.

if you think you need or want one of those chargers, just post back to me.


bill

Nov 01, 2010 | Garmin nuvi 750 GPS Receiver

1 Answer

Whenever I connect my Nuvi 250W to the car charger in the car, the "device connected to PC" image appears on the display and I cannot use the device for navigation. It's like it thinks the car is a PC.


i also got the same problem .. i think this is due to the charger that i bought which is not made particularly fot GPS nuvi 200.

Sep 16, 2010 | GPS

1 Answer

My garmin nuvi 750 won't turn on when it is unplugged.. It is charged. It will turn on if I have it connected in the car.


Most likely a defective battery. How do you know it is charged? If the battery is bad, you can have it on the charger for 5 years and it won't charge a dead battery.

Please see this link:

http://www.sharc.net/gps_battery_repair.htm

- Jim

Apr 22, 2010 | Garmin nuvi 750 GPS Receiver

1 Answer

My garmin will only turn on while it's plugged into the car charger. I have had it plugged into my computer for some time and it won't power on while connected to the computer or while unplugged- I...


Time for a new battery. If you talk to garmin they will want to replace the entire unit. You can buy a battery for about $23 and do it yourself.
Here is on place that sells them but I would also search for others to compare prices and specs.

http://batteries.batterymart.com/garmin-nuvi-750-replacement--list

Oct 24, 2009 | Garmin nuvi 750 GPS Receiver

1 Answer

How to charge a garmin nuvi 750


Connect to your computer and /or to a car type charger provided by Garmin

Oct 10, 2009 | Garmin (010-00583-00) for nuvi 750/760/770

1 Answer

Charging doesn't display map when charging


I learned that with the unit off - hold the on button down - don't release it. A PRE-BOOT MODE message will appear at the bottom and may flash. Continue holding down the start button. The first time I did it a series of dots came on the screen and I was instructed to touch each one. After that it started as normal. I plugged into a wall charger and but git the pc and nuvi icons again. I repeated the process - holding the on button on and let the PRE-BOOT MODE appear and kept holding but this time a different message came on and then the PRE-BOOT MODE appeared again. I let it go and took the unit to my car and plugged it into the Garmin car charger and it worked as it used to - normal. However, when I plugged it back in the house to the wall charged I got the pc and nuvi icon again. It appears that I am using the wrong wall charger as a previous writes stated. But the nuvi still worked in the car plugged into the nuvi charger. I hope this helps.

Jan 24, 2009 | Garmin Nuvi 660 GPS Receiver

2 Answers

Garmin 750 - 90 days old


Had the same problem-try this- leave your nuvi off for about 4 hours. Push the power button to the right(lock position) and then to the left (power on position) and let go. I suspect temperature (getting overheated is the problem. This worked for me.

Aug 25, 2008 | Garmin (010-00583-00) for nuvi 750/760/770

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