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Introduction

The Garmin Nuvi 2559 (also known as Nuvi 2559 LM) is a portable GPS navigation device. This guide shows how to replace the power button on the device.

The power button controls the device’s ability to turn on and off. Over time, the button may become unresponsive, stuck, or physically damaged, preventing proper operation. Replacing the power button restores normal functionality. Troubleshooting tips for power-related issues can be found here.

Important tips and warnings:

Disconnect the battery before removing internal components to avoid short circuits.
Use ESD-safe tools to prevent damage to internal electronics.
Work carefully around ribbon cables and connectors.
Take note of button orientation during disassembly for proper reinstallation.
If your battery is swollen, remove it first to avoid injury.

This guide will walk you step-by-step through opening the Garmin Nuvi 2559, removing the damaged power button, and installing a replacement.

What you need

Step 1 Screen

Garmin Nuvi 2559 Power Button Replacement, Screen: step 1, image 1 of 2

Garmin Nuvi 2559 Power Button Replacement, Screen: step 1, image 2 of 2

Flip the device so the backplate is facing upwards.

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Step 2

Remove the four 5.0 mm screws from the backplate using a Phillips #1 screwdriver.

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Step 3

Insert an opening tool into the seam between the front and back halves of the device.
Gently slide the tool along the edges to release the internal clips.
Work slowly around the entire perimeter to avoid breaking the plastic tabs.
Make sure all screws are fully removed before attempting to open the device.

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Step 4

Garmin Nuvi 2559 Power Button Replacement: step 4, image 3 of 3

Use an opening tool to gently pry the ribbon cable from its connector.
Work slowly around each clip or latch to avoid damaging the internal components.
Once the plastic frame is fully released, carefully separate it from the motherboard and set it aside.

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Step 5 Motherboard

Garmin Nuvi 2559 Power Button Replacement, Motherboard: step 5, image 1 of 1

Disconnect the battery cable from the motherboard using tweezers.

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Step 6

Remove the four 3.5 mm screws from the motherboard using a Phillips #1 screwdriver.
Be careful not to damage the motherboard since it is very fragile.

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Step 7

Remove the last component keeping the motherboard connected to the backplate by pulling upwards with the tweezers.

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Step 8

Use the black nylon spudger to remove the motherboard and connecting speaker.
If you don’t plan to replace the speaker, you will need to disconnect the wires that connect it to the motherboard and solder them back in place during reassembly.