Question about Garmin zumo 550 GPS Receiver

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Garmin zumo 550 cannot find satellites

When switched on and taken on an over 2 hour trip into south downs area my zumo 550 has, today, failed in all that trip to find ANY signal from satellites. My Garmin Etrex, switched on alongside it, finds signals enough to navigate to 17 feet, within its normal time span. I've pressed Off and the Plus to no effect. When it comes on, after a time spent searching, it asks 'Are you indoors?'. Then 'Are you in the UK?' Then 'Is it 6th October 2006?'

I've now flattened the battery in order to retry it later tonight.

Please suggest whatever I can do short of buying a make of GPS that works.

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  • jsabados Jul 03, 2008

    Same problem here. Battery is fully charged. Unit is fully updated. Sometimes the unit will not find any satellites for an in town (Tucson, AZ, USA) trip when first powered on. Sometimes it can take 10 miles or more to find them. Once (if) it finds them it doesn't loose them until I turn the unit off and then back on. Once it turns on again, it can take forever to find the satellites again. I am only getting one red signal strength bar at power-up. I first noticed this after the most recent upgrade to SW version 4.20. Any help would be appreciated



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I'd remove the battery first, leave it out some time, put it back, fully charge it and use webupdater to see if all is up to date. There is a test menu on the Zumo to see if all works. I will tell you how to get there, only after you have tried the above first!

Posted on Jun 16, 2008


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