Question about Magellan RoadMate 700 GPS Receiver

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MRM 700 won't start; screen flashes white . . . help.

I have a Magellan Roadmate 700 that has stopped working. After a long struggle with it shutting off at every bump in the road (a new cradle solved this problem), I now am facing a new problem with this otherwise great device. Recently the device's screen started flashing white when I push the power button, and continues flashing and unresponsive to all button input. I must disconnect the power to stop the flashing. In addition to the flashing white screen, the 'View' button is lit orange and occasionally there is a single vertical black line on the flashing white screen. I've disassembled the device and verified all ribbon connections are good . . . WHATS NEXT?

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Re: MRM 700 won't start; screen flashes white . . . help.

Stonelinton, It's not your LCD, otherwise you would have heard the sound of buttons being pushed. If your units first screen is white and there is no logo screen or any legible images, then it's your NAND flash on your main board. The first image produced upon boot is the blue magellan screen. This is produced from the NAND flash and will show it no matter if a hard drive is present or not. After the Magellan screen it pulls images from the hard drive. So, it is the mainboard and the only way to fix it is to send it to Magellan repair and they will have to put in a new mainboard then reprogram your serial number, etc.

Posted on Jun 07, 2007

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