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Garmin Nuvi 2455LMT Mother Board Replacement

Introduction

The mother board assembly is simple to replace and only takes 10-15 minutes to open the device and access the logic board. This guide requires a prying tool, the Torx 4 screwdriver, and the soldering kit.

What you need

  1. Garmin Nuvi 2455LMT Mother Board Replacement, Back Panel Assembly: step 1, image 1 of 1

    • Remove the four 2.5mm screws from the back assembly with a Torx #04 Screwdriver.

    • Holding the GPS with a free hand while unscrewing the small screws will help stabilize the device.

    Edit

  2. Garmin Nuvi 2455LMT Mother Board Replacement: step 2, image 1 of 2 Garmin Nuvi 2455LMT Mother Board Replacement: step 2, image 2 of 2

    • Use the plastic opening tool on all four sides of the device to open the Garmin Nuvi LMT2455 Back Panel.

    • To properly remove the back cover assembly pry open both the back and sides of the assembly.

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  4. Garmin Nuvi 2455LMT Mother Board Replacement: step 3, image 1 of 3 Garmin Nuvi 2455LMT Mother Board Replacement: step 3, image 2 of 3 Garmin Nuvi 2455LMT Mother Board Replacement: step 3, image 3 of 3

    • Open the device carefully being wary of the orange band that is going from the screen to the motherboard.

    • Remove the orange band by carefully lifting the lip that connects it to the motherboard.

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  5. Garmin Nuvi 2455LMT Mother Board Replacement, Mother Board: step 4, image 1 of 1

    • Remove the two 1.0mm 04# Torx screws from the mother board assembly

    • One screw can be found directly to the right of the battery and one screw can be found behind the orange band.

    • Hold the GPS with a free hand to ensure stability.

    Edit

  6. Garmin Nuvi 2455LMT Mother Board Replacement: step 5, image 1 of 2 Garmin Nuvi 2455LMT Mother Board Replacement: step 5, image 2 of 2

    • Place the screen portion of the GPS face down.

    • Remove the mother board from the plastic back panel.

    • Disconnect the battery with tweezers by gripping the white socket displayed in the photo. Wiggle the white socket out of the mother board.

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  7. Garmin Nuvi 2455LMT Mother Board Replacement: step 6, image 1 of 1

    • Use a soldering tool to de-solder the connection to the motherboard. Refer to the iFixit Soldering guide to see how

    Edit
Conclusion

To reassemble your device, follow these instructions in reverse order.

Author

with 5 other contributors

Nathaniel Williams

Member since: 09/19/16

264 Reputation

2 Guides authored

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Team

USF Tampa, Team 2-3, Blackwell Fall 2016 Member of USF Tampa, Team 2-3, Blackwell Fall 2016

USFT-BLACKWELL-F16S2G3

4 Members

5 Guides authored

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