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MacBook Unibody Model A1278 Display Assembly Replacement

Qué necesitas

  1. MacBook Unibody Model A1278 Display Assembly Replacement, Access Door: paso 1, imagen 1 de 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 Display Assembly Replacement: paso 2, imagen 1 de 1
    • The access door should now be raised enough to lift it up and out of the Unibody.

  3. MacBook Unibody Model A1278 Display Assembly Replacement, Battery: paso 3, imagen 1 de 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 Display Assembly Replacement, Lower Case: paso 4, imagen 1 de 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 Display Assembly Replacement: paso 5, imagen 1 de 1
    • Using both hands, lift and remove the lower case off the upper case.

  6. MacBook Unibody Model A1278 Display Assembly Replacement, Display Assembly: paso 6, imagen 1 de 1
    • Disconnect the camera cable by pulling the male end straight away from its socket.

    • Be careful not to pull up on the cable as you remove it from the socket.

  7. MacBook Unibody Model A1278 Display Assembly Replacement: paso 7, imagen 1 de 2 MacBook Unibody Model A1278 Display Assembly Replacement: paso 7, imagen 2 de 2
    • De-route the camera data cable from the channel in the optical drive.

  8. MacBook Unibody Model A1278 Display Assembly Replacement: paso 8, imagen 1 de 2 MacBook Unibody Model A1278 Display Assembly Replacement: paso 8, imagen 2 de 2
    • Remove the following screws securing the camera data cable and right speaker to the upper case:

    • One 9.9 mm partially threaded Phillips screw

    • One 9.6 mm threaded Phillips screw

    • One 4 mm Phillips screw

    • Slide the camera cable bracket out from under the subwoofer and remove it from the computer.

    • The iSight cable has an eyelet through which passes the left-most screw in these pictures.

  9. MacBook Unibody Model A1278 Display Assembly Replacement: paso 9, imagen 1 de 2 MacBook Unibody Model A1278 Display Assembly Replacement: paso 9, imagen 2 de 2
    • Grab the plastic pull tab secured to the display data cable lock and rotate it toward the DC-in side of the computer.

    • Pull the display data cable connector straight away from its socket.

    • Make sure to pull the connector straight away and not straight up from its socket.

  10. MacBook Unibody Model A1278 Display Assembly Replacement: paso 10, imagen 1 de 2 MacBook Unibody Model A1278 Display Assembly Replacement: paso 10, imagen 2 de 2
    • Remove the following two screws from the display data cable bracket:

    • One 7 mm Phillips screw.

    • One 5 mm Phillips screw.

    • Lift the display data cable bracket out of the upper case.

  11. MacBook Unibody Model A1278 Display Assembly Replacement: paso 11, imagen 1 de 1
    • Remove the two outer 6 mm Torx screws securing each side of the display to the upper case (4 screws total).

  12. MacBook Unibody Model A1278 Display Assembly Replacement: paso 12, imagen 1 de 1
    • Open your MacBook so the display is perpendicular to the upper case.

    • Place your opened MacBook on a table as pictured.

    • While holding the display and upper case together with your left hand, remove the 6 mm Torx screw from the lower display bracket.

  13. MacBook Unibody Model A1278 Display Assembly Replacement: paso 13, imagen 1 de 1
    • Be sure to hold the display and upper case together with your left hand. Failure to do so may cause the freed display/upper case to fall, potentially damaging each component.

    • Remove the last remaining 6 mm Torx screw securing the display to the upper case.

  14. MacBook Unibody Model A1278 Display Assembly Replacement: paso 14, imagen 1 de 3 MacBook Unibody Model A1278 Display Assembly Replacement: paso 14, imagen 2 de 3 MacBook Unibody Model A1278 Display Assembly Replacement: paso 14, imagen 3 de 3
    • Grab the upper case with your right hand and rotate it slightly toward the top of the display so the upper display bracket clears the edge of the upper case.

    • Rotate the display slightly away from the upper case.

    • Lift the display away from the upper case, minding any brackets or cables that may get caught.

Conclusión

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

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4 comentarios

This worked perfectly. My brother had an old MacBook laying around that he had fried when he spilled a drink on it. As a result it sat for a few years after he bought a new computer. His top case was ruined and after some pestering gave me his "broken" mac. I just finished swapping the displays, my computer was 6 years old and my display had dead pixels and a broken isight(for the last three years!) Swapping the display assembly fixed everything. Total time: 2 hrs.

NOTE: Be very careful when removing the cables, always use less force then you think you need, you should be good to go!

Melanie B - Contestar

My display has a huge stripe down the middle that is inverse contrast. When I have the display in a certain position, like if I bend the screen ALL the way back, it'll be fine but mostly the stripe will pop back. This leads me to think the display cable is loose or not seated properly. I got to about step 9 in this guide, cleaned the connectors and re-seated but it's still there. Any ideas? I think the cable might be messed up when it goes into the black plastic hinge part. Seems pinched?

antiboyo - Contestar

Curious if you made any progress here -- my brother has exactly the same issue. I'm planning on replacing the assembly outright, but going to open it up first just to see if I can "un-pinch" it. If it's just the cable, I was thinking of replacing it, but it looks like I'd have to take the display apart more which I'm not up to doing (heat gun etc.).

Mark Ahrens -

Hey, just so you guys know, reassembling the display is a little tricky. The display might not go on straight, so don't tighten down all of the screws until you are sure the display is straight. You might not even have that problem, but I did with my MacBook.

lyonmissions - Contestar

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