Question about Garmin Nuvi 660 GPS Receiver

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Charging doesn't display map when charging

When I charge my Garmin nuvi 750 it will not display the maps. Using car charger.

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  • Anonymous Jan 28, 2009

    I have the same problem. When the car charger is plugged in I only get the pc and nuvi icon on the screen. The unit will only turn on when I unplug it. Any help?

  • Anonymous Feb 01, 2009

    I have exactly the same problem with my Nuvi 660. When started with a charger the maps start loading and then just when the WARNING screens appears the pc and nuvi icons screen comes on and the unit will not operate unless you unplug the charger.

  • SHARCNET-USA
    SHARCNET-USA May 11, 2010

    Is the charger a Garmin OEM charger? If not, please note that many knock-off brands are not wired the same and will not allow you to use your Nuvi with the car adapter. The difference in wiring makes your Nuvi think your Nuvi is in data mode and connected to a PC.



    Please contact me if you need to obtain a Garmin OEM charger.



    - Jim

  • SHARCNET-USA
    SHARCNET-USA May 11, 2010

    Do you get the PC and Nuvi icon on the screen instead?

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I learned that with the unit off - hold the on button down - don't release it. A PRE-BOOT MODE message will appear at the bottom and may flash. Continue holding down the start button. The first time I did it a series of dots came on the screen and I was instructed to touch each one. After that it started as normal. I plugged into a wall charger and but git the pc and nuvi icons again. I repeated the process - holding the on button on and let the PRE-BOOT MODE appear and kept holding but this time a different message came on and then the PRE-BOOT MODE appeared again. I let it go and took the unit to my car and plugged it into the Garmin car charger and it worked as it used to - normal. However, when I plugged it back in the house to the wall charged I got the pc and nuvi icon again. It appears that I am using the wrong wall charger as a previous writes stated. But the nuvi still worked in the car plugged into the nuvi charger. I hope this helps.

Posted on Feb 01, 2009

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