I have same problem with my old brikced Nuvi760. It didn't bricked while updating, it bricked while loading maps (from SD).... I think it was from a custom map created from someone who used openstreetmap and he add some things, anyway too time ago, no matter any more, when you trying have risk, I accept this...
Same screen and me, device shows Garmin logo and restart, over and over (not even starting to load maps), since I hold "on" button for 8secs to shut down....
Well, me too, communicate with kunix, very nice person! I thank him for his help, we talked with email for lot of months, he send me lot of times some files (like files we use at NonVol backup) i don't know what he was doing (hahaha), but his last words 18/4/2012 was "your device is quite severely broken" and "I've tried everything I know. Maybe I will know more soon, or maybe (most probablysomeone else knows more"
I think its time to try again with [Only registered and activated users can see links. ] but I think that I will not fix it... I will find some time to "kill" to have a try
Same to me with Nuvi 760
I will post here me too what I have done![]()
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