I can't get it to work. I have nuvi 765t 3.0TW and everything seems correct such as SD serial number, key gen, unl file, and folders. But, there is no prompt for installing the language guide after I insert the SD into the GPS machine.![]()
I can't get it to work. I have nuvi 765t 3.0TW and everything seems correct such as SD serial number, key gen, unl file, and folders. But, there is no prompt for installing the language guide after I insert the SD into the GPS machine.![]()

Do you change a language of your nuvi on english before insert SD-cart into nuvi?
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