Question about Garmin nuvi 255W GPS Receiver

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PC Won't Detect Garmin 255W

When I plug it in, my computer doesn't act as if a USB device is plugged in (no dings or notifications). The first time I plugged it in my wife said "something" came up and she installed it. I figured it was the driver - but ???

Read something about setting the Interface Option, but not sure what that meant or where that option is.

Any help is greatly appreciated.

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  • Anonymous Mar 29, 2009

    I find the same topic in another forum and it sounds like the cable may be the problem. We will see.



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You have to install the SW that came with it to connect to your pc. Until it's installed the PC will see a USB device but won't know how to handle it. try uninstalling and then run the SW install then plug it in and let it add the usb device with the SW installed

Posted on Mar 06, 2009


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1 Answer

Computer doesn't recognize garmin

Your computer uses USB Mass Storage Mode to detect your Garmin unit. If your computer does not detect your Garmin unit, you can try these troubleshooting steps:

Unplug the USB cable from the computer.
Turn the unit off and then back on again.
Plug the USB cable into your computer.
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Note: If your computer still does not detect the unit, make sure that you plug the USB cable directly into the computer USB port and not the USB hub. If the cable is already plugged directly into the computer, try plugging it into a different port.

If you still experience problems, please contact Product Support.

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