Hi ferluq
ok, maybe the problem is inside the 765t ?
If it works on a 3760T .... I have no answers but those :
did you update the firmware of the 765?
have you tried to put the map in the nav (renaming it gmapprom.img) ?
The path of the file is correct? eg. sdcard:\Garmin\gmapsupp.img or SDcard:\Map\anyname.img ?
The card is formatted in fat32 ?
You said it not works ....please kindly report what does it means .... (the nav don't elaborate the map ,....errors during switch on , didn't find the map in info , the nav freeze during startup......
Last but no least SD reader faulty? (you said that the first msd "burned" , and the second one didn't work for a while and the returned to work)
Bye, Umbe



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