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MacBook Unibody Model A1278 Battery Connector Replacement

Introduction

Charges battery and connects battery to logic board.

What you need

  1. MacBook Unibody Model A1278 Battery Connector Replacement, MacBook Unibody Model A1278 Battery Connector Replacement: step 1, image 1 of 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.

  2. MacBook Unibody Model A1278 Battery Connector Replacement: step 2, image 1 of 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: step 3, image 1 of 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.

  4. MacBook Unibody Model A1278 Battery Connector Replacement: step 4, image 1 of 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.

  5. MacBook Unibody Model A1278 Battery Connector Replacement: step 5, image 1 of 1

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

  7. MacBook Unibody Model A1278 Battery Connector Replacement: step 6, image 1 of 1

    • Remove the four 10.3 mm Phillips screws securing the mid wall to the upper case.

  8. MacBook Unibody Model A1278 Battery Connector Replacement: step 7, image 1 of 1

    • Lift the mid wall out of the upper case.

  9. MacBook Unibody Model A1278 Battery Connector Replacement: step 8, image 1 of 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.

  10. MacBook Unibody Model A1278 Battery Connector Replacement: step 9, image 1 of 1

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

  11. MacBook Unibody Model A1278 Battery Connector Replacement: step 10, image 1 of 2 MacBook Unibody Model A1278 Battery Connector Replacement: step 10, image 2 of 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.

  12. MacBook Unibody Model A1278 Battery Connector Replacement: step 11, image 1 of 1

    • Using a spudger, pry the battery level indicator cable connector straight up off the logic board.

  13. MacBook Unibody Model A1278 Battery Connector Replacement: step 12, image 1 of 1

    • Peel the battery connector cable off the adhesive securing it to the upper case.

  14. MacBook Unibody Model A1278 Battery Connector Replacement: step 13, image 1 of 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.

  15. MacBook Unibody Model A1278 Battery Connector Replacement: step 14, image 1 of 1

    • De-route the battery connector cable through the gap in the upper case and remove it from the computer.

Conclusion

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

Author

System

Member since: 09/24/09

2,562 Guides authored

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