Question about Garmin StreetPilot 2720 GPS Receiver

3 Answers

Uploaded Map Update 2008 City Navigator North American NT now maps locked

When I start unit up it says maps are locked and it no long displays detail maps.  If I search for an address it say no detail maps to display.  Spoke with basic Garmin Support two times and both said the problem was way over their heads.  They transferred me to PC support and the wait time was 30 minutes or more.  Ridiculous.  Can't sit on the phone that long.  Hopefully someone can help me here.  Also, I've entered all unlock codes and I went to mygarmin.com and repeated to be sure they were current.  Did not help.

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  • Poulabc May 08, 2008

    I have also this problem

    Poul

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3 Answers

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I had the problem with a Garmin 2730 and what I did was hook up the usb to the unit, turn it on and when offered, selected the USB storage option. When the drive came on line called GARMIN, I went into the garmin folder, deleted gmapprom.img, deleted gmapsupp.img. I launched the mapsource DVD, highlighted all the USA maps including Canada and clicked on transfer to unit. When transfered, I went back into the GARMIN folder and renamed gmapsupp.img to gmapprom.img and no more locked codes. If you have the DVD that came with the unit, make sure a file called gmapprom.unl is there. It can be opened by NOTEPAD, and should have the unlocking code for the current DVD that you used to transfer the maps with.

Posted on Jul 25, 2008

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You need an unlock code (25 Char Code) to unlock the map details...

Posted on Feb 21, 2008

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I held on the phone with Garmin for about 2 hours, but they fixed my unit, PATIENCE!

Posted on Nov 16, 2007

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Garmin 265wt not displaying street names


First, make sure that your map is turned on. Go into settings and select the map icon. Then select the map info button. Make sure that a map is listed on this screen. There should be a check mark in a square next to the map listed. If the check mark is missing, touch the square and place a check mark in the square. If the map is missing, you will not be able to enter in any addresses or search for any points of interest. If you don't see a map listed on the map info screen, then the map is missing and you will need to replace it. The map file name is gmapprom.img and should be on the unit, usually in the folder named Garmin on the units flash drive. If you connect a USB cable between the GPS and a PC, look to see if you can find that file.

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My garmin nuvi 200 says no detailed maps found


From the Garmin web site:
Question: What should I do if my Garmin nuvi / zumo displays the message "No Detailed Maps That Support Autorouting."?
Answer: Please follow these steps to troubleshoot the error message:
Checking the unit:
  1. Hold your finger down on the screen until the message "No Detailed Maps That Support Autorouting" disappears.
  2. If you get a locked maps message following this error please remove any SD cards in the device and skip down to the instructions for "Getting your unlock codes".If you did not get a locked maps message then please select tools>settings>map>mapinfo button.
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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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Information on unlocking garmin maps can be found at http://www.fixya.com/support/r6197735-no_detailed_maps_found_support_routing

There's more information there than you need since the article is about garmin nuvi satnavs that display a message "No detailed maps found that support routing" but part of the article deals with locked maps. The principle is the same for the garmin Edge but you'll need to skip to the part that deals with unlocking maps.

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Make sure you have the latest nuvi "Firmware"
then update the maps. I would start with making sure you have the latest WebUpdater on your computer before you proceed with any updates.

If a nuvi 200 is has an older version of system software glitches may occur. The device may be missing letters or have jumbled letters or displaying duplicate letters or strange symbols on the address screen. To correct this you will need to update the system software of your nuvi. You can easily do this by using Garmin’s WebUpdater program:
  1. Click the following link to download the WebUpdater program: http://www.garmin.com/products/webupdater/howtoinstall.jsp
  2. Follow the on screen prompts from the website
  3. Choose RUN/OPEN
  4. Follow the on screen prompts
After the program has been installed it should run automatically. If it does not please use the steps below.
To run WebUpdater:
  1. From the Start menu, click All Programs and find the Garmin folder
  2. Click WebUpdater
  3. Connect your nuvi to an available USB port on your computer
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  6. Disconnect the unit to ensure it powers on.
Take your unit outdoors and keep it in a stationary position with an open sky view until it reacquires satellites.

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1 Answer

Garmin nuvi says, "no detailed maps found to support routing."


I am very sorry to hear that you are having problems with the unit. You
may need to switch the unit on and press and hold the centre of the
screen until the message ?No detailed maps? message disappears.

If your map detail is missing, then the map information may have been
disabled. To check to see if the mapping has been disabled, follow the
steps below:

From the Where to? and View Map page, touch the Spanner icon, settings
(Tools).
Touch Map.
Touch Map Info.
The unit should display the name of the map that is loaded to the unit.
The box in front of the map name should have a tick in it. If it does
not, touch the box to place a tick in it.

Then please test by searching for an address.

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If the map detail is still missing, contact Garmin Product Support at 1-800-800-1020 M-F 8-7cst.

Note:
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