Rand Mcnally GPS - Page 4 - Recent Questions, Troubleshooting & Support

Deborah, most of the time the fuse is in the cigarette lighter. The end unscrews. However, if that fuse blew, you may have wiring that has shorted. Much more common to blow you lighter fuse, in the car. Happens with plugging in and turning the "lighter" body, and shorting the lighter socket.

Simply plug your gps into any internet ready computer and go to the link below. Follow the instructions on screen. https://randmcnally.yonyx.com/y/conversation/?id=b1885070-a58d-11e4-a2c4-bc764e11861e Note; You will need to download software for this which can be found at Rand McNally Dock If you need further help, I’m available over the phone at https://www.6ya.com/expert/gregg_27a4d257e54e7920

Usually pressing "go" works

I use a TOM TOM GPS, and they have an online Homepage that you can download any updates. I would imagine yours is the same. Look up the Rand TND520 homepage on the internet and look for a PC setup program. With the Tom Tom, I have to connect it to the PC with a USB cable and it automatically downloads and updates itself.

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go on lione and do the back up anbd reset to factgory setting it should be ok

Not sure if it will work for you ! But I would plug it in to your PC with UBS cord let set over night it may come back .You may then have to push the reset hope it work's for you

Did you ever get your 710 open? I am on my second one, and the USB connector is starting to cause issues again. I think this is definately the achilles heel of this unit. I am considering adding a different power connector and changing the adapters so I don't have to use the USB port when it is in the truck.