My garmin powers down while installin gnew maps.

Are the French maps already purchased for the unit? Plug it into your PC and open Garmin Express. If French maps are part of your map package, they will show up and update. If they are not part of your map package, you would have to buy they from Garmin. You might have to buy the French Map SD card from Garmin if your unit does not have enough memory space let.

Maps are selected via location in the upper right hand corner when doing an address search as maps cover specified locations. If you can't input a French address, then you don't have French maps installed.

You need to have your satnav registered to update it. You can find details of how to register and update it at http://www.fixya.com/support/r5628920-update_garmin_satnav_maps

Details on how to update your map are at http://www.fixya.com/support/r5628920-update_garmin_satnav_maps

The solution to this problem is at http://www.fixya.com/support/r6197735-no_detailed_maps_found_support_routing

Please see this link for more info:

http://www.sharc.net/discus/messages/6/250.html?1254844672


- Jim

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To download the latest unit software visit Garmin website: www.garmin.com/webupdater
First you have to set up an account at Garmin using the serial number on your GPS. Once you do that you can download firmware update for free.
After installing WebUpdater once from the Garmin website, perform all future software updates from your computer. Simply connect your compatible Garmin device to your computer, then run WebUpdater from your computer's "Start Menu" by selecting "Start", "Programs", "Garmin", and finally "WebUpdater"
REMEMBER: It takes hours to do a complete a map update.
Unless you bought the Lifetime maps you may have to pay for current maps.
By the way, the correct Garmin approved power OR download cables are a must!!
Does this help? Let us know. Thanks.

Hi,

checkout the link for details

http://www.fixya.com/support/t1896929-garmin_nuvi250w_says_no_detailed_maps

Regards
Richard.

Hi,

Follow this below


Go to your account at garmin that you created to manage your maps.

Click myMaps

Click Manage Maps

You should see your unit and it’s unlock codes

Copy all the unlock codes for your device

Close your internet browser
Right click on your desktop

Click new, and then click a new Text Document

Click on the newly created Text Document icon from the desktop

Type your unlock codes into the document
Click File and Save as

Change the file name to gmapprom.unl (( double check this please ))

Change the “Save as type” to "All files"
Close the document

You should see the file gmapprom.unl on your desktop
Right click on the gmapprom.unl file and then click copy

Plug your Garmin device in and then click Computer/ My Computer
Click on the nüvi drive

Right click on the Garmin folder and click paste
Safely disconnect your Garmin device from the computer


Regards
Richard.

This error is caused by a corrupt or missing map unlock code. Please email me @ [email protected] and I will talk you through on how to fix the problem.

- Jim
SHARCNET-USA

Maybe you need an update of your GPS software
Get the Webupdater. You will see that there are some changes already.
If this doesn't work, get some other maps.

The day after I bougth my Nüvi 300, there were updatess available.

Good luck!