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My Zumo 550 displays "can't unlock maps" on start up. I tap ok, go to address, tap address and then "no data available" pops up. Tried unlocking maps on computer while connected to GPS via USB cable, computer says unlocked, GPS says different. Tried the Garmin site and did everything it says there, no help. Please advise.

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: Garmin Windows Vista Issue

The above did not work for me but this did - download the Mapsource update. Here's the link:

http://www8.garmin.com/support/download_details.jsp?id=209

Posted on Dec 09, 2007

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marcelbakker
  • 174 Answers

SOURCE: Import *.gdb route file in Garmin Zumo 550

Import to pc or to garmin device? There is some info in the manual, however you will need an SD card to work with triplogs.

Posted on Jul 23, 2008

sharcnet
  • 2130 Answers

SOURCE: "No Map Data Available" - Garmin Nuvi 350

This is because your map file has either been deleted or corrupted and needs to be replaced. Please see this link for more info. Too much info to copy & paste here:

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


- Jim


Posted on Dec 13, 2008

  • 3 Answers

SOURCE: Garmin Zumo 550 Freezes

If the unit freezes with something on the screen, then the book that came with the unit tells you to push the power button and the + sign button at the same time and this should fix the problem. Good Luck.

Posted on Jul 13, 2009

mindreader
  • 578 Answers

SOURCE: how do i reset my garmin zumo 550

Press and hold Power and + at the same time.

Go to http://www.manualnguide.com/dl/4354/ for more information.

Posted on Nov 22, 2009

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1 Answer

Gps has lost its maps, screen says can't unlock maps


There several reasons you may receive the message Can't Unlock Maps on your nuvi or zumo device.
  • Can you press OK and get to the Where To/View map screen?
  • Did you load maps to the unit using the MapSource or MapInstall program?
  • Did you load maps to an SD data card?

If one of the points above applies to you, please follow the steps below to clear the Can't Unlock Maps message:
  1. Remove SD card from unit, if applicable.
  2. Plug the unit into your computer with a compatible USB cable.
  3. Open MyComputer/Computer icon. (Mac users skip this step.)
  4. Right-Click on the Garmin drive and select Open. (Mac users can locate the Garmin drive mounted on the Desktop.)
  5. Open the Garmin folder.1
  6. Locate a file named gmapsupp.img
  7. Right-Click and delete file named gmapsupp.img
  8. Safely disconnect your unit from your computer to see if the Can't Unlock Maps message is gone.

1. Nuvi 1100/1200/1300/1400/1600/3700 and Zumo 665 users will open the Map folder instead.

*If the gmapsupp.img file does not appear in the Garmin folder, please create an unlock file for device.

Nov 28, 2010 | Garmin Nuvi 265W GPS Receiver

1 Answer

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.

Nov 16, 2010 | Garmin Nuvi 360 Bilingual GPS Navigator...

1 Answer

Need help unlocking maps in City Navigator NT North America.


I turns out that the unlock code was discreatly printed at the bottom of a yellow piece of paper in the packing.

Mar 21, 2009 | Garmin zumo 550 GPS Receiver

1 Answer

Garmin zumo 550 map update problem


  1. Make a backup of your Zumo by copying all the file to your computer.
  2. Using your PC and MapSource select all the maps then send them to a SD memory card need 2Gig or bigger card.
  3. Try to rename this file to gmapprom.img and replace the same named file in your zumo. (I haven't tried this personally, so if it fails, just replace this with your backup and all will be as it was.)
  4. If this fails, you can use the SD memory card in your zumo and it will use this map instead, but it will take longer to boot your zumo.

Jan 09, 2009 | Garmin zumo 550 GPS Receiver

3 Answers

"No Map Data Available" - Garmin Nuvi 350


This is because your map file has either been deleted or corrupted and needs to be replaced. Please see this link for more info. Too much info to copy & paste here:

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


- Jim


Dec 12, 2008 | Garmin Nuvi 350 Car GPS Receiver

2 Answers

Pop up screen


Do you have an sd card installed with mapping data on it ( a folder named garmin)? Or a defective sd card?
I had this error with a copied map, seems to be an issue with a wrong or missing *.unl file, which is an unlock file for unlocking map data

Jun 07, 2008 | Garmin zumo 550 GPS Receiver

1 Answer

No road maps ( Zumo 550


Do you see a map, with street detail? Any SD card installed?
Tap the wrench symbol, tap mapping, tap about, any maps checked? if not, check the apropriate map and go back to the map screen

Jun 07, 2008 | Garmin zumo 550 GPS Receiver

1 Answer

Lines Running North and South


How do you load maps? and are these Garmin maps. I try to keep the Zumo original and use an SD card for extra maps. Did you try this yet? And if you are using SD cards, try a different brand/quality. I had some lockups with crappy budget cards. Kingston, Sandisk and some other A brands work fine!

Oct 16, 2007 | Garmin zumo 550 GPS Receiver

1 Answer

Zumo 550


You'll have to select the europe map and deselect the usa map. Also you might have to change the locales. to do the first thing
tap wrench/tap map/tap about there you should see both maps, select the one you need and return to the wrench menu, select locales slect change all and walk through the menus (especialy the country!!!)

Aug 18, 2007 | Garmin zumo 550 GPS Receiver

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