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I installed the Garmin Map Source Topo U.S. 100K DVD to my computer, using the install instructions on the disk. The Control Panel in my Windows XP shows that it has installed, but it is not showing up in Map Source. I can't even locate the topo maps when browsing for them. Where are the maps and why aren't they showing up in Map Source? Is there something I did wrong in installing Topo U.S. 100K?

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  • 2 Answers

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Posted on Jan 02, 2017

  • 7 Answers

SOURCE: Loading Topo maps...210 says invalid base map??

To get the base map and to get your unit functioning again:
Install the firmware again:

Go to:

Or, if this doesn´t work, go to, click on"support", click on "legacy products" (left) and click on "eXplorist210 Europe" (do NOT click on "eXplorist 210 North America")

On this page click under Updates/Upgrades on "version 2.57", and follow the instructions. You will have to register your GPS, register it under a European country.

After you have installed the firmware you will have the basemap and some new windows on the GPS. Good luck and enjoy!

Posted on Sep 05, 2008

  • 1 Answer

SOURCE: Do Not have installation Disk For Mapsource United States TOPO


i have garmin gps 76 csx but i dont have its sofware with me and i want to transfer all the data and save it on my pc.

but as i dont have the cd with me i am in problem so plz solve or give the solution


Posted on Oct 21, 2008

  • 50 Answers

SOURCE: GPS position is offset from map location

This could be because your datum and your posistion format. Under your menu go to setup, then units and make sure you have the correct info set in there for your area. NAD27 Canada would be the one you are looking for. Give that a try and see if it works. If it is still off, consult the manuals that came with your topo and see if it says what datum it uses.

Posted on Jan 21, 2009

  • 7 Answers


You will need to load the MapSource software on your PC then load the maps into MapSource. After the maps are loaded and unlocked you can plug your GPS into your PC with the USB cable and load the maps.

Hope this Helps.

Posted on Jul 24, 2009

  • 104 Answers

SOURCE: Cannot dowload Garmin Topo Maps

Yes, you need a key number. Get out your credit card and call Tech Support/sales

Posted on Dec 05, 2009

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