Question about Garmin nuvi 260W Car GPS Receiver
Loses satellite connection car icon is all over the map while driving tell me maps not found after it finds an address, it will lose the route
If you have a sim card installed make sure it is fully seated. Also make sure you have a clear sky view for the unit. Had this happen with my Nuvi50. Had it sitting in a position below the dash and it would be very erratic. Placed the unit on the windshield and it worked as it should.
Posted on Nov 23, 2014
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Posted on Jan 02, 2017
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:
Posted on Jun 29, 2008
I was having the same problem. NO DETAILED MAPS FOUND SUPPORT ROUTING & SO ON. I called Garmin this morning & I thought I would be on the phone forever with the gentleman. But I was on for less then 10 minutes. The guy asked me to connect my Nuvi to the computer using a usb cable, then asked me to go into my computer & look for the device/drive that my Garmin is using. He then prompted me to open the file that says Garmin & asked me if there was this file that said gmapprom.unl. I told him no & then he sent me the file through an email. I had to open the file & get it into the Garmin file. Then he asked me to disconnect my Nuvi from my computer & it started right up & the problem was gone. If you do have the same problem I am willing to email you the file he sent me if you would like because there is no possble way to get the file from just searching on the computer. Let me know. BIGKAT07065@AOL.COM -Kathy
Posted on Apr 17, 2009
Go to your account at garmin that you created to manage your maps.
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.
Posted on May 19, 2009
SOURCE: Garmin Nuvi 200 Maps Disappeared
Contact Garmins Tech support hot Line they will walk you through the process and if they can't fix it over the phone they will send you a disk that will completely fix the "NO detailed maps found that support routing" I have contacted them with the same problem and the disc was free of charge.
Posted on May 27, 2009
You can download new maps..........free......................but..........
I had this problem last year with my garmin 200 and when I called they said that I was out of the 60 day time window for a free map upgrade but they would give it to me anyway. They gave me detailed instructions on how to download a new map free of charge but they didnt explain which selection replaced what I already had on mine.
As a result, I downloaded the wrong maps and have much less detail. Even though its the "2009" version, its less acurate than my old maps were. But its worth a shot, better than paying for them.
Posted on Jun 20, 2009
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