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Introduction

This guide will walk you through the process of replacing a button on the Forerunner 405.

Parts

No parts specified.

  1. Unscrew the four 6.35 mm Torx T5 screws securing the backing of the watch.
    • Unscrew the four 6.35 mm Torx T5 screws securing the backing of the watch.

  2. Pull the backing off the watch.
    • Pull the backing off the watch.

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  4. Pull the battery wires out from the motherboard slowly.
    • Pull the battery wires out from the motherboard slowly.

  5. Unscrew one 4 mm philips screw that attaches the motherboard using a PH000 screwdriver.
    • Unscrew one 4 mm philips screw that attaches the motherboard using a PH000 screwdriver.

    • Lift the motherboard out of the watch.

  6. Push button in and pinch silver clip with tweezers. Pull silver clip off the pin it is on.
    • Push button in and pinch silver clip with tweezers.

    • Pull silver clip off the pin it is on.

    • Pull out button and replace.

Conclusion

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

Kyle Kiwczak

Member since: 09/11/2014

301 Reputation

3 Guides authored

2 Comments

Where to find repair button for FR60? Can it be 3d printed? Garmin asks too much out-of-warranty

vasiljevicic - Reply

I took mine apart to find that the jammed button was actually bent. Using two pairs of needle-nose pliers, I was able to straighten it and re-use it. The watch works great now.

keithnbrauneckermil - Reply

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