Question about Garmin eTrex Vista C (010-0368-00) GPS Receiver

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WHEN i START UP MY GPS IT SAYS 'Can't Unlock Maps' please help!

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4 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

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  • 29 Answers

SOURCE: my GPS keeps saying cant unlock maps after i

The Garmin Maps require a map unlock code in order for the GPS to be able to open/access it. Since the maps are copyright protected by Garmin you should of recieved the unlock code from Garmin when you purchased the new map update.

Posted on Mar 09, 2010

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ejkudelka
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SOURCE: Hi, I am from Argentina, last

Here is a link, they have a lot of good maps.

http://www.proyectomapear.com.ar/

Thanks,
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Posted on Jun 01, 2011

jas247
  • 844 Answers

SOURCE: i have a garmin GPSmap

Welcome to FixYa!

If you are getting the message "Can't Unlock Maps, there may be an issue with the unlock file on your device.

Please follow the steps below to restore the mapping unlock file:

  • Log into your myGarmin account
  • Select myMaps
  • Below the appropriate device, select the "Details" link
  • Look for the Unlock Code listed on this page
  • Copy all the unlock codes for your device
  • Close your internet browser
  • Right-Click on your Desktop
  • Click New and then click Text Document
  • Double-Click on the newly created Text Document icon from the desktop
  • Paste or type your unlock codes into the document
  • Click File and then click Save As
  • Change the file name to: gmapprom.unl
  • Change the "Save as type" to "All Files"
  • Click Save
  • Close the document (You should see the file gmapprom.unl on your Desktop)
  • Right-Click on the gmapprom.unl file and then click Copy
  • Connect your Garmin device to your computer and open Computer/My Computer
  • Right-Click on your device (the drive letter that corresponds to your device/GPS)
  • Click Open
  • Right-Click on the Garmin folder and click Paste
  • Right-Click on your device (the drive letter that corresponds to your device/GPS)
  • Eject/Remove
  • Disconnect your device/GPS

Thank you for using FixYa.
Have a great day.
Jas247

Posted on Jul 31, 2011

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1 Answer

I purchased Garmin1490t and it says "Cannot unlock maps" / 'No maps Found" Please help


If your Nüvi keep displaying the maps are locked, you will need to erase a file from the units memory. Connect your GPS system to your computer; go to start then 'My Computer', and double click on your device file (mass storage system), there you will see a folder named 'Garmin'.

In this folder are several different files, look for file named gmapsupp.img. Right hand click on this file and delete as this file is causing the maps to lock.

Other choice, could be one read at No Detailed Maps Found That Support Routing

Hope this helps (remember to rate and comment this answer).

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My gps says "no


Question: What should I do if my Garmin nuvi or zumo displays the message "No Detailed Maps Found That Support Routing" or "No Map Data Available?"
--> Answer: The "No Detailed Maps Found That Support Routing" or "No Map Data Available" message may appear on your device for the following reasons:
  • The GPS device is missing it's unlock code
  • The maps on the GPS device have been disabled
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 error, 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 the instructions for Enabling maps on the GPS device
Retrieving your unlock codes:
  1. Log into your myGarmin account
  2. Select Manage Maps
  3. Select Details
  4. The unlock code is located under the Installed Maps.

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Where did you download the Australian maps from? If from Garmin, contact Garmin for the unlock code. Maps have to be unlocked to a specific unit.

If you downloaded the maps from the internet, you will still need to contact Garmin for an unlock code.

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Unlocking garmin software and maps is very simple - you only need Unical ID you device and SD-card where is you locked maps. Install in keygen and unlock you maps.

If you need help or professional GPS-consultation or unlock you PNA, update navigation maps - please ask
http://www.goodslowprice.com/en/unlock.htm


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1 Answer

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Please describe you problem! You cannot unlock maps?

If you need help or professional GPS-consultation or unlock you PNA, update navigation maps - please ask
http://www.goodslowprice.com/en/unlock.htm

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