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How to restore HK GPS 500 to factory settings

Hi, I bought a Harman Kardon GPS-500 on ebay a while ago. I saw on HK website they had a Rom Update for this model. I installed it and boom! Nothing works anymore. Everytime I start the GPS it will show the usual first screen and then the warning screen appears like above the first and it freezes right there. I tried many things but nothing works. I called and emailed both canadian and USA customer support but since the GPS was bought used on ebay, they don't mind your problems. I even offered to pay for repair but they don't want to mess with me. I'm out of solutions now. I'd like to be able to bring it back to the original factory settings so I can have my GPS back. Can someone help me ?

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  • Anonymous Mar 17, 2009

    same stuff here
    please help

  • ADAGIL Feb 10, 2010

    I tried that many times but it doesn't work. It is as if the app is mixed up between the old and the new. When it starts, the GPS goes weird and it freezes with text written one over the other??? Any idea?


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There is a pin hole on the bottom right hand side that resets all settings to factory defaults. My HK GPS 500 did the same thing and I reset it and now it's working fine. This usually happens when the battery gets low. A paper clip will work good. Just don't push too hard. You can feel the switch click with a lite push.

Posted on Jul 30, 2009

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