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MacBook Unibody Model A1278 Lower Case Replacement

Yazan: Walter Galan (ve 5 başka katılımcı)
  • Yorumlar: 10
  • Favoriler: 10
  • Tamamlanma: 15

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Replace the aluminum bottom case in a MacBook Unibody.

  1. With the case closed, place the Unibody top-side down on a flat surface.

    • 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.

    Düzenle

    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 - Yanıt

    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 - Yanıt

  2. The access door should now be raised enough to lift it up and out of the Unibody.

    • The access door should now be raised enough to lift it up and out of the Unibody.

    Düzenle

  3. The Essential Toolkit

    The most helpful tools in our most compact kit.

    Hemen Alışveriş Yapın

    The Essential Toolkit

    The most helpful tools in our most compact kit.

    Hemen Alışveriş Yapın

  4. Be sure the access door release latch is vertical before proceeding.

    • 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.

    Düzenle

    Great tutorial ! great step !

    Leo Etcheverry - Yanıt

    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 - Yanıt

  5. Remove the following eight screws securing the lower case to the chassis:

    • 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.

    Düzenle

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

    Jim - Yanıt

    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 - Yanıt

    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 - Yanıt

    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 - Yanıt

  6. Using both hands, lift and remove the lower case off the upper case.

    • Using both hands, lift and remove the lower case off the upper case.

    Düzenle
Sonuç

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

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Is there a way to get replacements for the rubber feet without replacing the entire lower case and access panel?

akwest89 - Yanıt

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