One day, when I turned on my car's ingnition, my GPS didn't start appropriately and went with a black-white checkered scrren. And, any of button doesn't work including the power button. (The power button only worked when turned on) I dodn't have any firmware to download to figure out that it would be a problem of hardware or software. Everytime I turned on its power, same thing happened.
Try holding the reset button on the back in for 30 seconds. Sounds like its in test or programming mode.
Posted on Oct 25, 2007
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