Question about Garmin nuvi 255W GPS Receiver

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I have a Garmin Nuvi. The screen shows no detailed maps found that support routing. The nuvi cannot be used without them.

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  • Master
  • 1,043 Answers

You need to connect your GPS to your computer and reinstall the basic operating system from the Garmin site.

Posted on Apr 26, 2010

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: GARMIN NUVI 200 SAYS NO DETAILED MAPS FOUND THAT SUPPORT ROUTING

MY GARMIN NUVI 200W NOT WRONG AND SAY NODETAILED MAPS FOUND THAT SUPPORT ROUTING. THE NUVI CANNT BE USED WITHOUT THEM

Posted on Sep 22, 2008

  • 1 Answer

SOURCE: My Garmin Nuvi 255w Car Gps

You must call Garmin at 1-800-800-1020 they will walk you through plugging in nuvi to your computer (must have usb cord) and it will upload then go to my computer and choose garmin drive then click garmin folder and either find the folder they say or make new one like I did with the guy on the phone and put in code. The only information needed is the numbers on the bottom of the device.... super fast fix!

Posted on Mar 12, 2009

  • 1 Answer

SOURCE: 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.

Posted on Apr 02, 2009

OAKside
  • 2 Answers

SOURCE: GARMIN NUVI 200 SAYS NO DETAILED MAPS FOUND THAT SUPPORT ROUTING

The downloaded map file (ex: "Garmin_RMU_CNNANT2010C.exe") contains all of North America, and you must select the correct subsection (ex: "Lower 49 States+PR") that you purchased, which is listed on your Garmin myMaps page (My.Garmin.com).

I am a GPS newbie as well and selected "all of North America" when installing my free nuvi 205 map update. A mistake that's too easy to make, esp. considering Garmin still has very little info about selecting the correct map subsection listed on their support site.

You do NOT need to re-download the huge map file, thankfully, but you must re-install (30+ min) to choose the correct map subsection.

"Bad on Garmin, IMHO for not making important details like that clear to us new owners." My thoughts exactly.

Posted on Apr 25, 2009

RPFinney
  • 385 Answers

SOURCE: Garmin nuvi 205 shows no detailed maps found that support routing

Hi,

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

this resolves the problem for you.

Regards
Richard.

Posted on May 19, 2009

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http://www.sharc.net/discus/messages/6/250.html?1247812497

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Press the power bar in the upper right c orner for 10 sec. and You will go into servicemood. Ther You can reset and run memorytests, Otherwise Use the lttle pihole under the tape on the bottom side

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