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Reply With QuoteRename the unlocked BC .img to gmapsupp.img and copy in SD/Garmin.
Remove any .unl and .gma from sd that comes from the borrowed one, they are made for the other SD id.
The BlueChart g2 Vision card will work but will not display any of the BlueChart g2 Vision Features and would not be of any benefit over the regular non-vision BlueChart.
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Thread: Blue chart and 76cx
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19th January 2015, 01:57 AM #1Junior Member
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Blue chart and 76cx
I have a 76 cx and a borrowed blue chart micro sd card that works great. I copy card run garmingmapsupp.img which produces a unlocked image and a locked image. I remove the locked image from the original download and replace it with the unlocked image and copy to a new 256mb micro sd, install it in the unit and it does not recognize it. Remove it and reinstall the org sd card and it works perfect. I also copied a g2 vision with the same results. I have not read the entire forum but I have read many hours to find the solution with no results. Please help
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19th January 2015, 02:16 AM #2Important User
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You have to navigate to get to the good.
Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600
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19th January 2015, 02:40 AM #3Junior Member
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Removed .unl files and renamed img file to gmapsupp.img on 256 mb micro sd blue chart and g2 4 gb micro sd card. I have a 1 gb and a 2 gb coming as the 4 gb may be unreadable for this unit
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19th January 2015, 02:52 AM #4Navigation software expert
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There is no problem with 4Gb (and even 8Gb-16Gb) on the latest SW. But 4Gb is limitation for gmapsupp.img only!
Originally Posted by sabu386
Garmin, how much is 30 pieces of silver for Judas today? Were they worthy for crucifix of GPSPower?
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19th January 2015, 03:07 AM #5Important User
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@sabu386
be sure the SD is formatted FAT 32
You have to navigate to get to the good.
Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600
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19th January 2015, 03:21 AM #6Junior Member
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Formated another card fat 32, copied unlocked image and no work. To be clear there should be only one file on the sd card the image file. Is this correct.
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19th January 2015, 03:34 AM #7Important User
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yes, one gmapsupp.img per sd in Garmin folder.
You have to navigate to get to the good.
Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600
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19th January 2015, 03:58 AM #8Junior Member
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Got both working. Created new Garmin folders and copied the unlocked renamed image files and the gps recognizes both sd cards. The 4 gb appears to work fine. Thanks a load for the help. Boomer
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