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Garmin Nuvi 42LM Motherboard Replacement

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  1. Garmin Nuvi 42LM Motherboard Replacement, Back Cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Garmin Nuvi 42LM Motherboard Replacement, Back Cover: crwdns2935265:01crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Garmin Nuvi 42LM Motherboard Replacement, Back Cover: crwdns2935265:01crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Remove the four screws on the back of the GPS using the T5 Torx screwdriver.

  2. Garmin Nuvi 42LM Motherboard Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Garmin Nuvi 42LM Motherboard Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Garmin Nuvi 42LM Motherboard Replacement: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Pry the GPS open using a plastic opening tool.

    • When prying open the device, use caution to avoid damaging the motherboard.

  3. Garmin Nuvi 42LM Motherboard Replacement, Motherboard: crwdns2935265:03crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Garmin Nuvi 42LM Motherboard Replacement, Motherboard: crwdns2935265:03crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Garmin Nuvi 42LM Motherboard Replacement, Motherboard: crwdns2935265:03crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Using the T5 Torx screwdriver, remove the two screws located on the motherboard.

    • There are two screws - one in the back and one in the front.

  4. Garmin Nuvi 42LM Motherboard Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Move the motherboard from from its designated location on the GPS.

    • Do not pull on red, green, and black cables when repositioning the motherboard.

  5. Garmin Nuvi 42LM Motherboard Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Garmin Nuvi 42LM Motherboard Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Gently unplug the red, green, and black bundled cable to remove the battery.

  6. Garmin Nuvi 42LM Motherboard Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Garmin Nuvi 42LM Motherboard Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Use blue plastic opening tool to carefully pry the battery from the GPS.

    • You might need to use additional force when prying because there is adhesive glue on the back of the battery.

  7. Garmin Nuvi 42LM Motherboard Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Using a soldering iron, desolder the black and blue wires connected to the motherboard.

    • Once the black and blue wires are desoldered, llift the motherboard out and away from the device.

    • Check out this awesome guide on how to solder and desolder connections.

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

Elina Zhukov

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Eastern Washington University, Team 2-1, Crane Winter 2017 crwdns2935289:0Eastern Washington University, Team 2-1, Crane Winter 2017crwdne2935289:0

EWU-CRANE-W17S2G1

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