Likes: 
Yes, you are right. First I want to go back to mass storage mode. Windows and RMPrepUSB don’t recognize my 775T anymore. That's why I couldn’t format it. USBDeview recognize my 775T. It isn’t dead.
Yet another experiment: I tried to backup region 41 with a sd-card. I write this command :
rrgn,41,1:/41.bin
reboot
in update txt on the sd-card. But my Nüvi 775T backup region 52 (not region 41) up to 78% then it stop and reboot.
I think, the 8Gb memory chip in the Nüvi 775T is in great confusion. Does somebody know a tool or a software to cure it?
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Thread: Nüvi 775T - write protected?
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14th May 2013, 10:08 PM #9Junior Member
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Last edited by Nüvi1255T; 14th May 2013 at 11:03 PM. Reason: merged posts
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