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Trouble with Garmin 750

My new Garmin 750 nuvi suddenly has no sound. Since there is no troubleshooting manual with it, I don't know what to do

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  • Anonymous Mar 27, 2008

    Same here.

  • Anonymous Jun 09, 2008

    my garmin nuvi 750 has no sound

  • mcampolo Jun 17, 2008

    Same thing here.  I have to hold my 750 in my hand and right in front of the radio in order for it to play through the radio.  I've tried a couple of vehicles and different station settings to no avail.  The transmitter must be very weak in these things.  This stinks since another model of lesser cost could have been obtained without this worthless feature.

  • Anonymous Jul 17, 2008


  • Anonymous Sep 02, 2008

    i have no sound on my unit

  • rshchop Oct 17, 2008

    My Garmin nuvi 750 suddenly stopped speaking. When I checked language it showed "no voice"

  • rockopsc Dec 24, 2008

    The verbal directs just stopped. Just before it stopped, there was a lag between where we were vs. what the Garmin said. We were usually past where we were supose to turn when it told us to turn. Then no directions at all.

  • Anonymous Jan 13, 2009

    The turn by turn audio has quit suddenly and now won't work????

  • DotingAunt Feb 20, 2009

    My audio also stopped dead. And I'd barely used the unit - less than a month.

  • jgasawski13 Apr 16, 2009

    After less than 2 weeks of use, I have no sound. No more turn by turn directions.


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My Garmin 750 also had the same problem. I finally fixed it and discovered it is also an MP3 player. 52 years old and I can still learn some new tricks.

First, go to Tools - Settings - Language - Voice.....change this to either American English Jack or American English Jill

Second, go to Tools - Settings - Volume - and make sure the mute button is not checked.

This should fix the problem. If you are using the MP3 player with head phones on remember to unplug them and toss them in the back seat if you get stopped for speeding. Dont ask me how I know that.

Posted on Apr 26, 2009

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Very carefully open the unit the top and bottom are connected by wires so just peek in. we found that our speaker wire came loose so we clicked it back into place all is better now hope this helps

Posted on Sep 27, 2009

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My Garmin 750 screen has gone dim with a slight pinkish tinge. Any ideas on solutions ?

Posted on Jul 27, 2009

Even stand alone FM transmitters are tempermental and their performance can depend on the arrangement of your car's antenna system.

I have found that my radio will 'lock and hold' the Garmin's signal if I can boost it for a few seconds by creating a stronger signal by placing an 'antenna' (generally anything metal) near back case of the Garmin at the middle or right side (looking from the front).

You can also try just taping a piece of metal to case back at that position. I just used pair of sissors but I'm sure some tin foil or a peice of wire will do the trick.

Posted on Jul 01, 2008

I'm guessing since this device comes with a built in Fm transmitter, you might have to go into settings and see if it's set to come through your speakers. If so, adjust it to your preference.

Posted on May 07, 2008

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2 Answers

No audio on my nuvi.

At some point you may have switched the unit off before it completed it's start up dance. This will wipe out the voice file more often than not.

You will need use Garmin's web updater and re-install the file for the voice you want.

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Need manual for nuvi 750

you can download a copy of your manual for your Nuvi 750 HERE


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Slide the switch to the right and it should shut off

Apr 05, 2009 | Garmin nuvi 750 GPS Receiver

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No voice prompts on my new nuvi 750- volume level not muted.

I had the same problem after I had my Nuvi 750 for a few months.  The voice just stopped.  I called Garmin and they replaced it under warranty.

Feb 11, 2009 | Garmin nuvi 750 GPS Receiver

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Bluetooth icon missing

The Nuvi 750 does NOT include bluetooth capability. I don't know what you saw, or what you think you saw, but Garmin's website is very clear on this issue. NO BLUETOOTH WITH THE NUVI 750

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No instruction Manual

Here's the URL, from which you need to select "Owner's Manual":

If it doesn't work, navigate this way:
Go to
From the menu, select Support | Manuals
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Dec 31, 2008 | Garmin nuvi 750 GPS Receiver

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How I can use my garmin 750 (GPS)

you can down load the operational manuals here hope that will guide you on the usage and how to put them together . if you need more help do let me know thanks and Godbless

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