Question about Garmin Nuvi 255 GPS Receiver

2 Answers

Garmin Nuvi 255 will not reset or clear user data

When I start my Garmin nuvi I see the GARMIN splash screen, then the message loading maps. Then it crashes, by which I mean that the screen goes black and it is apparently off.

I have tried to reset by turning the on/off switch and holding for 8 seconds, as recommended by the manual. This does not change the behaviour. (There is no other reset switch as far as I can tell. On the bottom there are stickers but if I lift them up I see nothing but smooth plastic and 2 small screws).

I have also tried to clear the user data, by holding down the screen in the lower right corner of the screen as the unit is turned on. (This worked for me once in the past, but now does not.). The unit does not seem to recognize this and boots as normal (and then crashes).

Suggestions?

Posted by on

  • Mike H May 08, 2010

    riceski - thanks for trying to help out, but as I described in my post I am unable to reset it. Switching on and holding for 8 seconds does nothing.

    I cannot charge overnight as I do not have a wall charger (nor at the moment a car). But I will try charging via USB to see if that helps.

    Finally, as I described in my post I already attempted to clear all user data *exactly* as you describe. The problem is that I never get to PIC 2.

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  • 1,851 Answers

Try resetting the unit and also charge it using only the wall charger overnight. Here's how to reset -it just puts everything back to factory settings - 1- Turn unit on WHILE HOLDING your thumb in the lower right corner as shown in picture. 2-Select YES PLEASE Take the time to vote me up this is my only reward for trying to help. Thanks

Garmin Nuvi 255 will not reset or clear user data - 9107a9f.jpg

PIC 2 06fc67c.jpg

Posted on May 08, 2010

  • Gary Rice
    Gary Rice May 08, 2010

    Ok - got cha - the things you typed weren't showing on my screen - this happens sometimes with FixYa - security or some such they say.
    Anyway - -
    This fixed mine - Charge it on a wall charger for 12 hours - try it - thrn if not working still - -o try another 12 - I had to do this several times one Garmin. I own more than one and also Magellan. SO -- charge it with a compatible wall charger until it finally wakes up. I also called GARMIN and complained to them about it - - funny it fixed after that - not sure what happened but I know I charged and charged it as that was my only hope - but --- after a phone call to GARMIN about their junk - I promise you it fixed.


    Gary

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  • 2 Answers

My n

Posted on Jul 14, 2010

6 Suggested Answers

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Posted on Jan 02, 2017

Harleyknut
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SOURCE: I just purchased a Garmin nuvi 255, and the maps are inaccurate.

Just go to http://www.garmin.com There will be a registeration link. Yes I think that you will get a free mapupdate with your registeration at least they used to do that. You will need your unit serial number and model.

Posted on Apr 07, 2009

RPFinney
  • 385 Answers

SOURCE: it says . cant unlock maps.

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.

Posted on May 19, 2009

sharcnet
  • 2130 Answers

SOURCE: Nuvi 255, no maps intstalled, shows unlocked in detailed info

This error is caused by a corrupt or missing map unlock code. Please email me @ sharcnet-usa@sharc.net and I will talk you through on how to fix the problem.

- Jim
SHARCNET-USA

Posted on Jul 17, 2009

tbirdfan1
  • 3051 Answers

SOURCE: My Garmin Nuvi 255 died. How do I reset it?

Hello there:
If you unplug the unit and remove the battery
i would check the fuse inside the unit to be sure that it is ok if it is than
leave it unplugged and the batttery out for 30 min and if there is a reset button on this after the battery is removed hold in the reset in for 2 minutes then after the 30 min replace the battery and plug in the unit and try it again his should be enough time for the internal reset to reset it'self than just replace the battery and if this still oes not help remove the battery again and leave it sit for 1 hour to let the internal reset device reset it'self ok and you should be good to go
Hope this is very helpful
Best regards Michael

Posted on Dec 10, 2009

  • 74 Answers

SOURCE: How do I upgrade the maps on my Garmin nuvi 255?

Hook up your nuvi to the computer and surf to the Garmin website. They will have the latest upgrade - but they're not free! Read all about the maps you'd like to install for possible issues/bugs (we call them undocumented features). Be prepared with your credit card if you like what you see. Good luck!

Posted on Oct 01, 2010

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  3. Download and then run Garmin WebUpdater to replace its firmware / system software.

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  1. Back up your Favorites.
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I hope that helps.
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  1. Back up your Favorites.
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I hope that helps.
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I hope that helps.
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