550 starts to load then goes blank

samson

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Jun 27, 2008
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East Anglia
My Zumo 550 is taking half a dozen tried to get it to go through to the "Agree" screen and thence to navigate.

Push the on button and it fires up as normal, followed by the green line across the middle and the loading maps legend. Then it goes blank. You can do with a number of times before it eventually switches through to the navigate sequence.

Battery strength is ok, connection on the bike is good. I have tried popping the SD card and relocating it ( no difference). I have just tried it (off the bike) and it went through perfectly but it can sulk when off the bike too although it seems to co-operate more easily when hooked up to the computer. Very annoying. Any ideas what the problem might be?

Once on the move it works fine. I have just completed a 12 mile tour around Normandy and it did the business.
 
It might be the SD card.. Try it with it removed and see if you have the same problem.. If it is solid without the card it would probably be a good idea to format the card and reload the maps.
 
Had the same problem a few months ago, which would not go away.
Sent back to Garmin.
Replace with a new one due to Auto-Off problem occuring.
Cost 130 sterling however.
 


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