Question about Garmin (010-00583-00) for nuvi 750/760/770

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Can't unlock maps

Following a link up to the Garmin website my nuvi 770 has decided not to show maps. I have tried to unlock the maps as instructed by that website, but have been unsuccessful so far. Any ideas will be gratefully received.

Frank.

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  • FrankG6838 Sep 15, 2008

    Thanks I sorted it out by managing to contact the Support Desk, they emailed me two new files, which resolved the matter.



    FrankG6838

  • ricsms Nov 21, 2008

    I have the same problem ,, I thought it was the map updates needed to be updateed so I went to the Garmin website .. I downloaded teh latest System updates 420 - once the loader started it went throught the configuration then it came up with file corrupted -- now When I turn on the NUVI 770 it just displays system software missing.. and now I cannot find it as a drive attached to my computer -- like its just disappeared,,



    If this is how the software upgrade is supposed to work I am not pleased.. also now when I contact the Garmin website it says system dowloaded file corrupted -- or -- unable to connect to garmin website???

    If this is their solution thes the Nuvi is a piece of ****!!!!



    I do not understand why the loader would wipe out the system software on the device..



    any help would be appreciated..

    thank you

    rc



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What have you tried? without knowing anything else, one suggestion is to make sure you are using the correct unlock key number. There are at least three numbers located on the disk.

Posted on Sep 15, 2008

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I forget my password. Garmin nuvi 760


I've been trawling for unanswered questions; this information may be too late for you (or perhaps it may help you resurrect a useless machine which you have put away) but it will certainly help others searching for advice with the same problem.

You have Garmin Lock activated on your nuvi: there are only two ways you can unlock it.

1. Enter the PIN code (but you clearly don't have it or you wouldn't be reading this).

2. Take the unit to the Security Location you chose when activating Garmin Lock: it will then unlock without the PIN code and you can then either reset the PIN or disable Garmin Lock. The Security Location should not be the owner's home address, but many owners ignore this recommendation. Many owners choose their workplace or a close friend or relatives address for this purpose.

If neither option works then your unit is useless unless you send it to Garmin with proof of purchase. Garmin charge for the service and if your maps are not up to date then it's really a waste of money as the investment would be better spent on a new unit with current mapping.

I hope that you manage to either fix your problem using my advice or at least can decide whether to abandon the unit and buy another.

Aug 27, 2010 | Garmin (010-00583-00) for nuvi 750/760/770

1 Answer

Anyone - I purchased 5 garmin nuvi 550s - fresh out of the box all require system updates before you can do a map update.... 4 of 5 no issue.... #5 failed during system update and now i get te error that...


If the unit will connect to your computer you can try copying all files from one GPS to the other. Just be sure not to copy over the *.UNL file. That contains the unlock information for that specific device. This may get the unit running. If you get the error can not unlock maps after doing this try updating the map again. If the above fails please call Garmin for assistance. 1.800.800.1020


Jul 11, 2010 | Garmin (010-00583-00) for nuvi 750/760/770

1 Answer

I have a Nuvi 770. The map update notice comes up after power up and the OK button shows but is not active. Cannot get by the screen.


I would try to fix it by doing a reset. Hold the off switch for over 8 secs. and see if it helps. Connect to your computer and download the latest software and maps.
Auragal

Oct 17, 2009 | Garmin (010-00583-00) for nuvi 750/760/770

1 Answer

I get the message "no detailed maps can be found that support routing. The nuvi cannot be used without them." and I can not get to anything else on the garmin.


Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} The "No Detailed Maps Found That Support Routing" message may appear on your device for the following reasons:
  • The GPS device is missing it's unlock code
  • The maps on the GPS device have been disabled
To determine the cause of the message, touch the screen until the message "No Detailed Maps Found That Support Routing" disappears.
  • If you see a "Can't Unlock Maps" message following this error, remove any microSD / SD cards in the device and follow the instructions below for Retrieving your unlock codes followed by the instructions for Creating an unlock file
  • If you do not get the Can't Unlock Maps message then skip to the instructions for Enabling maps on the GPS device
Retrieving your unlock codes:
  1. Log into your myGarmin account
  2. Select myMaps
  3. Select Manage Maps
  4. Select the device from the drop down menu
  5. The unlock code is located under the "Maps installed on this device" section

Jul 18, 2009 | Garmin Nuvi 200w 250w 260w 580 660 670 680...

1 Answer

Garmin 750 cant unlock maps


Map unlock codes are specific to each unit. You will need to contact Garmin to obtain a code to unlock the maps.

Jul 10, 2009 | Garmin (010-00583-00) for nuvi 750/760/770

2 Answers

I forgot my password how can i unlock it


When you went through the password process you also had to set up your secret place in case you forgot your password. Go to your secret place and your Garmin will unlock and you can reset your password.
Hope this helps

May 12, 2009 | Garmin (010-00583-00) for nuvi 750/760/770

1 Answer

I have a Garmin Nuvi 770 that won't "speak" when navigating


Frequently (about 20% of the time) when I have my Nuvi 770 plugged in, in the car and I turn it on, it gets stuck at the start up screen where it says, “Loading maps” I wait several minutes and it never completes. Then I turn it off and turn it back on and it comes right up, but with no voice. When I go to Tools > Setup > Language it shows no language and I cannot select one. I have to plug my Nuvi 770 into the computer, run web updater, it detects that I already have the software loaded and I select the option to download it again. When it has completed, I unplug the Nuvi and then go to Tools > Setup > Language and select American English.

Mar 22, 2009 | Garmin (010-00583-00) for nuvi 750/760/770

1 Answer

Nuvi 770 wont can access maps?


Hi,
First check please, tools, maps, map info,
in here are all your stored maps, tick the boxes, if they are there.
You may need the serial number ( on the sticker )
and unit I.D. tools,settings,system, about,

If not then follow the procedure below. to load them from your account at Garmin.

So, 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
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
Hope this helps
Regards
Richard.

Mar 09, 2009 | Garmin (010-00583-00) for nuvi 750/760/770

1 Answer

SYSTEM SOFTWARE MISSING!! on display - the maps just needed update - now the 'missing system software' is displayed ,, I thought it was the map updates needed to be updateed so I went to the Garmin website...


I had the same problem with my nuvi 200. I contacted Garmin via phone (toll-free number) and the tech was very helpful. He said that this happened when I was updating because the program was interrupted while the update was in process. The problem is because I needed the USB drivers for updating--don't know how they got deleted but once he sent me an email with the instructions and attached zip file to reinstall the drivers and reset machine, everything is good to go again.


Nov 21, 2008 | Garmin (010-00583-00) for nuvi 750/760/770

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