Question about Garmin GPSMAP 76Cx GPS Receiver

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How to unlock the mapsource? - Garmin GPSMAP 76Cx GPS Receiver

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You get an unlock code when you buy a map from Garmin. Go to garmin.com
Peter

Posted on Jan 28, 2009

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Have just received my garmin gb topo dvd and the 8 letter code would not work. used a 25 digit code and it said i had unlocked it ok but my garmin etrex keeps saying cant unlock maps? any ideas?


I have had this problem before. You have to make sure you have the proper map data selected in Mapsource before you start selecting data to download to the GPS. I had multiple maps loaded into Mapsource but they weren't all unlocked for the multiple GPSs that I own. if I got the licenses mixed up between the units it wouldn't work. There should be a setting in your option menus.

Feb 12, 2010 | Garmin eTrex GPS Receiver

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Hi, thanks for the above info. My issue is different (I think). I've just...


A lot of people have looked for solutions to the message "No detailed maps that support routing" which can appear on Garmin Nuvi satnavs.

This solution can also be used when the message doesn't appear but no maps are loaded. When no maps are loaded try the instructions in paragraph 5 below Selecting Maps on your Garmin Satnav

If that doesn't solve your problem the maps may be locked. In this case return to paragraph 2 below and follow the instructions to the end

(This solution is for both PC and MAC users. Follow the instructions only for whichever you use).

The "No Detailed Maps Found That Support Routing" message may appear on your Garmin nuvi satnav for the following reasons:
  • The Satnav is missing it's unlock code
  • The maps on the Satnav have been disabled
1. To determine the cause of the message, touch the screen until the message "No Detailed Maps Found That Support Routing" disappears.
  • If you see a "Can't Unlock Maps" message following this, remove any microSD / SD cards in the device and follow the instructions below for Retrieving your unlock codes followed by the instructions for Creating an unlock file
  • If you do not get the Can't Unlock Maps message then skip to Paragraph 5. below Selecting Maps on your Garmin Satnav
2. To retrieve unlock codes you need to have your satnav registered with garmin. If you haven't already registered it, connect the satnav to your computer and go to www.garmin.com. Select your country from the dropdown list and click "Register your garmin device". Follow the prompts. You'll be asked to create a username and password. Keep them safe. You'll need them anytime you need to update your maps or solve problems in the future.

3. Retrieving your unlock codes:
  • Log into your myGarmin account
  • Select Manage Maps
  • Select Details

  • The unlock code is located under the Installed Maps.
Creating an unlock code file for PC:
  • Plug your Garmin device into the USB port
  • Double-Click on My Computer or Computer located on the desktop
  • Right-Click on the Garmin or nuvi drive
  • Click Explore
  • Double-Click on the Garmin folder
  • Right-Click in a blank space in this window
  • Move your mouse over the word New
  • Select Text Document
  • Press Enter / Return on your keyboard
  • Double-Click on the New Text Document. This will open the New Text Document in a window called Notepad
  • Type the unlock code that is listed in the Manage Maps section of your myGarmin account in all upper-case letters with no spaces
  • Select File
  • Select Save As
  • Change the Save As Type to All Files
  • Type gmapprom.unl in all lower-case letters for the File name
  • Select Save
  • Close the Notepad window
  • Delete the New Text Document file

  • Disconnect the Satnav from your computer
Creating an unlock code file for Mac:
  • Open the TextEdit application located in the Applications folder on the Mac HD
  • Click Format
  • Select Make Plain Text
  • Type in the unlock code that you retrieved from your mygarmin account. The unlock code should be in all capital letters and with no dashes.
  • Click Save As and name the file as gmapprom.unl (Note: Be sure to uncheck the box If no extension is provided, use .txt)

  • Copy the gmapprom.unl file to the GARMIN folder on your device. (Note: Save the file directly to the Garmin mass-storage device if connected)
4. If you have a second maps you may also need to unlock it e.g. if the first map is USA and second is EUROPE this may also need to be unlocked
  • Plug your Garmin device into the USB port
  • Double-Click on My Computer or Computer located on the desktop
  • Right-Click on the Garmin or nuvi drive
  • Click Explore
  • Double-Click on the Garmin folder
  • Right-Click in a blank space in this window
  • Move your mouse over the word New
  • Select Text Document
  • Press Enter / Return on your keyboard
  • Double-Click on the New Text Document. This will open the New Text Document in a window called Notepad
  • Type the European unlock code that is listed in the Manage Maps section of your myGarmin account. This will need to be typed in all upper-case letters with no spaces
  • Select File
  • Select Save As
  • Change the Save As Type to All Files
  • Type gmapprom1.unl in all lower-case letters for the File name
  • Select Save
  • Close the Notepad window
  • Delete the New Text Document file

  • Disconnect the Satnav from your computer
5. Selecting maps on your Garmin Satnav:
  • Touch the wrench icon on the Where to/View map screen
  • Touch Settings (or Locale on some models)
  • Touch Map
  • Touch Map Info

  • Press the checkbox next to the maps to be selected on the satnav
    A tick will appear in the box. The map is now selected.

on Apr 30, 2011 | GPS Devices

1 Answer

Garmin nuvi 750 GPS


There is a serial number associated with your maps and your GPS unit. You will be able to get this serial number from Garmin when you register your software. Mapsource comes with the maps on the same disc. If it is not installed on your computer, it will automatically install.

Dec 04, 2008 | Garmin eTrex Legend GPS Receiver

2 Answers

Garmin streetpilot 2620 in demo mode


Do you have any unlock code for your unit? Delete this code "demo" from MapSource and put unlock code for your unit and try to download to unit a small part of maps.

Nov 12, 2008 | Garmin StreetPilot 2620 GPS Receiver

1 Answer

I am trying to unlock my mapsource topo but it will not connect to the internet the disc has loaded but I cannot use the software can you please help


Have you tried doing with the internet explorer instead of with mapsource? Youll need a printer or a piece of paper to jot down the unlock code when you fullfilled your payment.

Jun 10, 2008 | Garmin GPS Devices

1 Answer

New Maps - Can't update unit


The new maps will be unlocked to your GPS using the code Garmin supplied you.

You will have to add these maps to a second SD card if your present card is full, or else purchase a larger card. Since all the Mapsource NT 2008 Europe maps are 1,395MB in size, you'll need to purchase at least a 2GB SD card.

Mar 27, 2008 | Garmin StreetPilot c510 Deluxe GPS...

2 Answers

Can't get maps to unlock


Call Garmin support @ 1-800-800-1020

Feb 09, 2008 | Garmin Quest GPS Receiver

1 Answer

Mapsource update CD


Hi check out this wed site, it will help. HT maps for the Nuvi are NOT for PC use. The map load onto the GPS as you install Mapsouce. Reinstall Mapsouce and take option 3 on the startup page of the program.

Good luck
Craig



www.gme.net.au/garmin/mapupdate/update2008.pdf

Dec 28, 2007 | Garmin Nuvi 660 GPS Receiver

1 Answer

Can not unlock mapsource due to lost unlock certificate


Dear friend, excuse my mistakes in writting, since long ago I dont write.

Download this file:http://chilestreets2007.googlepages.com/archivos

todas las partes del Archivo Chilestreets 2007 working.rar
A.- Instalar Mapsource Chile Streets Setup.exe de la carpeta Mapsource + ChileStreets
B.- Usar el serial contenido en la carpeta Mapsource + ChileStreets\serial
C.- Conectar el dispositivo GPS
1.- Obtener el ID del dispositivo Garmin: es un un número de 10 dígitos.
- Iniciar Mapsource desde el PC
- Conectar el GPS
- Ir a Utilities, Get Unti ID.
2.- Abrir Keygen v1.3.exe
- Ingresar el número de 10 dígitos del ID de dipositivo en el primer espacio en blanco (Enter you Unit ID here:)
- En el cuadro Select Map Product:, selecciona de la lista <Custom Mapset>
- En la ventana emergente anota 724 para el MapID code.(ok) el código varía para otros mapas, este es para el Chile Streets.
- Haz click en el botón "Generate" de más abajo. Con esto se crea el código de desbloqueo que se ingresa en el Mapsource. (No cierres esta ventana)
3.- Abrir la utilidad de desbloqueo de mapas del Mapsource.(CTRL+U):
- Haz click en siguiente.
- Selecciona la opción "Si, tengo un código de desbloqueo de 25 caracteres" (Siguiente)
- Selecciona la opción "tengo un código de desbloqueo de 25 carcateres; lo escribiré" (siguiente)
- Introduce el código suministrado en el paso 2. Puedes anotar un comentario de recordatorio en el recuadro inferior pra saber que unidad es la que tiene el mapa desbloqueado. (siguiente)
- Selecciona la opción "No, me registraré mas adelante" (siguiente)
- Selecciona "Sí" en la ventana emergente.
- Selecciona No, he terminado si no quieres instalar más códigos. (siguiente)
4.- Transfiere los mapas al dispositivo o a la tarjeta SD, Mapsource transfiere los códigos en forma automática.



Please translate this procedure. The important matter for you is that you now have mapsource active and with de Keygen v1.3, you can unlock a lots of maps. Please don´t publish this solution, because a lots of people would not have access in the future to this program.

Nov 26, 2007 | Garmin Touch Screen GPS Receiver

1 Answer

Blue chart pacific v8.5- mapsource


Try skipping the installation wizard and use your coupon code to unlock the maps/GPS online at Garmin's website. 

Also if you downloaded the mapsource software online, the download may have been corrupted.  You may have to contact garmin tech support to try another download.

Oct 18, 2007 | Garmin GPSMAP 76 GPS Receiver

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