Garmin Dezl 770LMT Motherboard Replacement

Turn the device screen down and using the screwdriver remove all eight screws from the back plate.

Place a nylon spudger in the seam between the front and back panel and carefully lift around the edge of the device.

Use the spudger to pry apart the screen from all around the device.

After you've removed the back cover, you will see a copper colored ribbon connected to a grey hinge.

Carefully remove the hinge from the cord using a spudger and the ribbon will come out.

Using a T5 Torx screwdriver remove the eight screws attaching the motherboard to the case

Carefully remove the cord connecting the battery to the motherboard, by gently lifting it straight up from the board.

If you want to remove the antenna and speaker you will need to desolder them from the mother board. This is not necessary to remove the mother board.