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Garmin 2640 when turned on recycles from Garmin screen to warning screen to checking map data then shuts off and restarts. This cycle takes about 20 seconds. I thought it was a cord problem but in trying a different cord, the same condition exists.

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Have you done a firmware update recently? If you have it could be something corrupt, I would delete everything and reinstall. Either way this is a good first step to try and fix your problem.

Posted on Jul 08, 2008

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Try the reset button in the garmin.

Posted on Jul 08, 2008

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1 Answer

My Garmin 1450 locks up and will not compute a route, or show maps. It is about 3 weeks old and this it the first trip for it.


I experienced the same issue with a Garmin Dezl 560 - which is based on the Nuvi. After experimentation with various very long routes the Garmin started with sudden restarts, lockups and other weird behavior. It became unusable - which seemed like a programming error to me.

After a Master Reset - clearing all user data (POIs / Routes / Tracks) the Garmin acted normal again.

A master reset is triggered by holding the right bottom corner of the screen for at least 20 seconds while pressing the power button once. A question appears after some time to clear all user data.

Recently I've upgraded to a latest software version through MyGarmin.com - haven't seen this sudden lock-up / restart issue since.

Jul 09, 2011 | Garmin nuvi 1450 GPS Receiver

1 Answer

I bay n sd card with full europe maps and i put the sd on the garmin 205w but he doesnt work hi dosent show ani maps on the screen


The Nuvi should detect the maps on the SDCARD automatically. A notice appears on the screen to install the maps on your Nuvi. This will take a while to copy the maps from the SDCARD to your unit for installation. After this the maps should be able to function without the SDCARD present.

The Garmin Nuvi needs internal memory for map installation. If there's not much memory left the Map installation might fail. Remaining memory can be checked by connecting the Nuvi to a PC/MAC using an USB cable. It ill appear as an external USB drive. The properties of the USB drive shows remaining memory.

If remaining memory is under 5Gb it might not be enough for MAP install. In this case a master reset to the factory defaults clears memory. This will delete all user data so be sure to store your personal POI's in Mapsource.

A master reset starts by pressing the bottom left corner of the screen for at least 20 seconds while pressing the power button once. A question appears to clear all user data.

Jul 07, 2011 | Garmin nuvi 205W GPS Receiver

1 Answer

I power my nuvi 255w on and it says loading maps but doesnt and it makes a beep and powers off. there is no reset button on this unit and i don`t know what to do to get it to come on and stay on? ty


Hold the power button for more than 20 seconds till it restarts - this is a soft reset. Then try again.

If that doesn't help, do a master reset which clears all user data back to the factory state. From powered down, turn the Garmin on while holding the right bottom corner of the screen for at least 20 seconds. A question should appear if all user data should be cleared. Then try again.

When it works again I would suggest to update the software in there till the latest version available on Garmin.com

Jul 04, 2011 | Garmin nuvi 255W GPS Receiver

1 Answer

I have recently purchased the Garmin nuvi 765T and I have charged it and waited to use in the car but after a few seconds of turning it on, it turns itself off after showing the "Garmin" company...


Try to soft reset it by holding the power button for at least 20 seconds till it restarts.

If that doesn't help - try a master reset to factory defaults by holding the lower right corner during startup for at least 20 seconds. This will erase all user data and starts the Garmin in factory default.

If it restart I suggest updating the software to the latest version on Garmin.com

Jul 04, 2011 | Garmin nuvi 765T GPS Receiver

2 Answers

I have no maps on the screen its like i lost all the data. it says there are no roads near this start point. every thing else works mp3, settings, volume, bluetooth, etc.


it sounds like you may have just deselected the maps.

go to tools settings map then map info(bottom of the screen)

check that there is a tick next to your mapset if not just tap the name of the map and you should be sorted out.

Jul 12, 2010 | Garmin Nuvi 660 GPS Receiver

1 Answer

My garmin nuvi 750 went dead when i got it to


Hello :

Resetting your GPS could solve the problem .

Here is how to reset your NUVI :

1:Turn the Nuvi on.

2:Touch the tools icon on the main screen. The tools icon is represented by a wrench surrounded by a blue circle.


3:Touch the "Settings" icon which appears as a wrench.

4:Push the "Restore" button at the bottom of the screen. A confirmation message will appear asking to confirm restoring the Nuvi to factory settings. Push yes to restore the factory settings
............................................................................................
Try this for hard reset .

Turn off Garmin device. Press down on bottom right corner of the touchscreen [ Don't let go ] , and then power on the GPS unit. You should be prompted whether do you really want to erase all user data, or asked if do you really want to start up in maintenance mode. Press “Yes” to reset (warning: all data will be erased and lost, so backup before proceeding) or enter maintenance mode.

PLEASE DON'T FORGET TO RATE !





Apr 17, 2010 | Garmin nuvi 750 GPS Receiver

1 Answer

My Garmin shuts off in the loading maps screen every time we try to turn it on. It will flash the Garmin logo when it gets turned on, go to the loading maps stage and then just shut off. Any ideas?


first I would try to load the current firmware from garmins website. if that doesnt work then try a master reset by holding the bottom right corner of the screen, holding that and turning it on. it will however erase all user data.

Aug 12, 2009 | Garmin Nuvi 660 GPS Receiver

2 Answers

My Garmin 765t stopped navigating


There should be a small reset switch on the back of most garmin gps units. with the unit on, depress the reset switch with a pen tip or small object until the unit shuts off and restarts. It may take a little longer to pick up the satellite but it will reque the unit and unlock the navigation screen.

Aug 01, 2009 | Garmin nuvi 765T GPS Receiver

1 Answer

Garmin nuvi 250


Testing by FixYa Staff

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Jul 14, 2009 | Garmin nuvi 250W GPS Receiver

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