Quote Originally Posted by voyager56 View Post
I don't know what sequence did use use for preboot but for Nuvi 765T use the following method:
Power off and USB cable in PC but not Nuvi. Hold finger on the upper right corner of the screen. Slide to Power on, Slide to lock, and quickly Insert USB cable.
This version of the preboot is also not working for me (and I've been trying BELIEVE ME).

Does anybody have suggestions?

PM me please if you do.