Thread: Nuvi Pre-boot Mode

Originally Posted by caradecu

Hi!
I have a Garmin Nuvi 765t. Pre-boot mode not working. Internal files was deleted and I trying to fix it.

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.