MacBook Unibody Model A1278 Lower Case Replacement

Replace the aluminum bottom case in a MacBook Unibody.

Edit Step 1 Access Door  ¶ 

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Edit Step 1 Access Door  ¶ 

  • 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.

Edit Step 2  ¶ 

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Edit Step 2  ¶ 

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

Edit Step 3 Battery  ¶ 

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Edit Step 3 Battery  ¶ 

  • 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.

Edit Step 4 Lower Case  ¶ 

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Edit Step 4 Lower Case  ¶ 

  • 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.

Edit Step 5  ¶ 

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Edit Step 5  ¶ 

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

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

For more information, check out the MacBook Unibody Model A1278 device page.

Required Tools

Phillips #00 Screwdriver

$5.95 · 50+ In stock

Recommended Tools

54 Bit Driver Kit

$29.95 · 50+ In stock

Pro Magnetic Project Mat

$19.95 · 50+ In stock

Pro Tech Screwdriver Set

$59.95 · 50+ In stock

Anti-Static Project Tray

$4.95 · 50+ In stock

Comments Comments are onturn off

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

akwest89, · Reply

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

Jim, · Reply

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