Nuvi boot loop

 

Yesterday I tried to see if the Custom Waypoint symbols worked with a Nuvi. I set a favorite in Mapsource and made the symbol one of the custom symbols. I sent the favorites to the 765T. When I turned on the Nuvi it went into a boot loop. I had to do a master reset to get it to boot. When it did the new favorite was there (with a defualt symbol) as well as the Garmin defaults but none of the favorites that were stored on the Nuvi before. Just a warning.

Hmm, I had the same. Almost

Hmm, I had the same.
Almost scared me death. Lucky you wrote about it, and I found it.

Mine is a nuvy-255w, but behaved exact the same.
Solution:

    http://www.mydigitallife.info/2009/06/09/how-to-reset-garmin-nuvi-gps-device-access-maintenance-mode