20 Most Recent Garmin NUVI 255 PERSONAL GPS Device - Page 6 Questions & Answers

Garmin Battery Issues

You may have to do a full reset which will delete everything on the Garmin. There should be a very small hole in the back which has a reset switch inside. Use a paperclip to press it. If you have a booklet, read that, it should say where the reset button is.

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Your Garmin probably needs upgrading of its software. Plug the unit into a computer running Garmin Express and, assuming the device is registered, the unit will be detected and upgrades automatically identified. Follow the process to complete the upgrade(s).

Battery is no good

Is the unit functioning, even thought the Green light is not lit? If it is working if you use it for a while does it then show the Yellow light? If A and B are correct then you simply have a bad Green light bulb and the unit itself is fine.

Broken wire or corroded plug