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MacBook Unibody Model A1278 Battery Connector Replacement

필요한 것

  1. MacBook Unibody Model A1278 Battery Connector Replacement, Access Door: 1 단계, 이미지 1/1
    • With the case closed, place the Unibody top-side down on a flat surface.

    • Depress the grooved side of the access door release latch enough to grab the free end. Lift the release latch until it is vertical.

    This is not a a1278 unibody MacBook Pro. A1278 MacBooks backs are one solid metal piece not two separate pieces. This guide is for a different MacBook Pro.

    Brad Burgeson - 답글

    This guide isn’t for a pro; it’s a MacBook unibody.

    Nicholas -

    So, it turns out that Apple used the model code A1278 for quite a few different Mac models, including both Pro and non-Pro versions! This guide is for the non-Pro Macbooks. There’s also one for the Pro models with the same A1278 identifier.

    tempelmann - 답글

  2. MacBook Unibody Model A1278 Battery Connector Replacement: 2 단계, 이미지 1/1
    • The access door should now be raised enough to lift it up and out of the Unibody.

  3. MacBook Unibody Model A1278 Battery Connector Replacement, Battery: 3 단계, 이미지 1/1
    • Be sure the access door release latch is vertical before proceeding.

    • Grab the white plastic tab and pull the battery up and out of the Unibody.

    Great tutorial ! great step !

    Leo Etcheverry - 답글

    Even though it’s specifically stated, you have to make sure the access door latch is vertical or the battery won’t be removable.

    Henry Kim - 답글

  4. MacBook Unibody Model A1278 Battery Connector Replacement, Lower Case: 4 단계, 이미지 1/1
    • Remove the following eight screws securing the lower case to the chassis:

    • One 3 mm Phillips screw.

    • Three 13.5 mm Phillips screws.

    • Four 3.5 mm Phillips screws.

    On my model, it seemed the top-left was 3.5mm and the bottom 4 were 3 mm.

    Jim - 답글

    Make sure you have a good quality Phillips screwdriver. Mine had removable tips and had a small play at the connection. As a result I didn't have a good feel and damaged my screws (those securing the fan and the top left in step 23). Game over for me installing new thermal paste...

    Be very carefull with your screws! Especially those on the inside.

    Nickolas Michelinakis - 답글

    You can get away with a Phillips #00 for many of the screws involved but the 4 at the bottom case split are likely to strip if you don’t use a JIS #00 or, in a pinch, a Phillips #000.

    Bill Cole - 답글

    I used the Phillips #00 tip from my Pro Tech Toolkit, and it worked well enough. But yes, maybe #000 might have been better on the lower row of screws. Note to myself: Always read the comments first.

    Les Kitchen -

    When replacing these screws, the order to replace them in is as follows:

    1, Top left

    2. Top right

    3. Top center-left

    4. Top center-right

    5. Bottom center-right

    6. Bottom center-left

    7. Bottom right

    8. Bottom left

    I hope this information is helpful.

    facebook - 답글

    I followed my usual process of putting in all the screws loosely, then tightening them gradually in distributed pattern, to help ensure that the panel settles in place evenly. But maybe some orders are better.

    Les Kitchen -

  5. MacBook Unibody Model A1278 Battery Connector Replacement: 5 단계, 이미지 1/1
    • Using both hands, lift and remove the lower case off the upper case.

    Thanks for the guide!

    It's implicit in the two photos, but worth mentioning because it blocked my progress in this step for a bit: You have to put the release latch back into its horizontal, closed position before you can lift off the lower-case panel.

    Les Kitchen - 답글

  6. MacBook Unibody Model A1278 Battery Connector Replacement, Mid Wall: 6 단계, 이미지 1/1
    • Remove the four 10.3 mm Phillips screws securing the mid wall to the upper case.

  7. MacBook Unibody Model A1278 Battery Connector Replacement: 7 단계, 이미지 1/1
    • Lift the mid wall out of the upper case.

  8. MacBook Unibody Model A1278 Battery Connector Replacement, Battery Connector: 8 단계, 이미지 1/1
    • Remove the following screws securing the battery connector cover to the upper case:

    • One 2.5 mm Phillips screw.

    • Two 1.5 mm Phillips screws.

  9. MacBook Unibody Model A1278 Battery Connector Replacement: 9 단계, 이미지 1/1
    • Lift the battery connector cover out of the upper case.

  10. MacBook Unibody Model A1278 Battery Connector Replacement: 10 단계, 이미지 1/2 MacBook Unibody Model A1278 Battery Connector Replacement: 10 단계, 이미지 2/2
    • Remove the single 2.7 mm Phillips screw securing the battery cable cover to the upper case.

    • Lift the battery cable cover out of the upper case.

  11. MacBook Unibody Model A1278 Battery Connector Replacement: 11 단계, 이미지 1/1
    • Using a spudger, pry the battery level indicator cable connector straight up off the logic board.

    Do you have a replacement part for the battery indicator cable for this model?

    Rob Bonner - 답글

  12. MacBook Unibody Model A1278 Battery Connector Replacement: 12 단계, 이미지 1/1
    • Peel the battery connector cable off the adhesive securing it to the upper case.

  13. MacBook Unibody Model A1278 Battery Connector Replacement: 13 단계, 이미지 1/1
    • Pull the battery connector cable slightly toward the logic board to give yourself enough slack to grab the cable with your fingers.

    • Disconnect the cable by pulling it straight away from the logic board.

  14. MacBook Unibody Model A1278 Battery Connector Replacement: 14 단계, 이미지 1/1
    • De-route the battery connector cable through the gap in the upper case and remove it from the computer.

결론

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

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댓글 한 개

When reinstalling the battery connector/cable, placement of the connector is critical. If the connector isn't positioned accurately, contact with the battery terminals won't be completed. The battery connector cover will help you align the connector, but there will still be a little leeway as you screw the cover down. Position the battery first, to adjust the connector's position; then remove the battery and tighten the cover screws down. You may even want to try plugging the computer into the AC charger before completing the cover attachment, to ensure that battery is charging and the connector is correctly positioned.

adlerpe - 답글

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