Garmin Nuvi 255W Battery Replacement

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Jun 15, 2020 - 11:48:13

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Introduction

Use this guide to replace the battery in the Garmin Nuvi 255W.

What you need

Step 1 Power Button

Garmin Nuvi 255W Battery Replacement, Power Button: step 1, image 1 of 1

Remove the barcode sticker at the bottom of the device.

Step 2

Remove two 8.4 mm T5 screws from the bottom of the device.

Step 3

Using a plastic opening tool, carefully pry open the device.
Open the device carefully, making sure not to damage the gold ribbon cable that connects the screen to the motherboard.

Step 4

Remove the power button.

Step 5 Battery

Garmin Nuvi 255W Battery Replacement, Battery: step 5, image 1 of 1

Unscrew the four 6.70 mm screws holding the motherboard in place using a philips #0 screw driver.

Step 6

Lift up the motherboard.
Carefully disconnect the battery and motherboard. Slowly wiggling the connection makes it easier to disconnect the battery from the motherboard.

Step 7

Using the plastic opening tool as a wedge, pry the battery from the case. This can be fairly tough as the battery is glued to the case. Don't be afraid to use force and some good leverage.