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What you need

  1. MacBook Pro 15" Unibody Early 2011 Lower Case Replacement, Lower Case: step 1, image 1 of 1
    • Remove the following ten screws securing the lower case to the upper case:

    • Three 13.5 mm (14.1 mm) Phillips screws.

    • Seven 3 mm Phillips screws.

    • When removing these screws, note how they come out at a slight angle. They must be reinstalled the same way.

  2. MacBook Pro 15" Unibody Early 2011 Lower Case Replacement: step 2, image 1 of 1
    • Using both hands, lift the lower case near the vent to pop it off two clips securing it to the upper case.

    • Remove the lower case and set it aside.

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

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Walter Galan

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For re-assembly, tilt the screw driver slightly at an angle tangent to the case's edge when screwing in the seven 3 mm Phillips screws. Screw the 13 mm screws directly downward. This should ensure better thread engagement.

Matthew Adler - crwdns2853112:0crwdne2853112:0

Another method for insuring screws end up on the right thread is to turn the screw in reverse (anti-clockwise) to begin with until you feel a click, then you'll know the screw has fallen into the thread correctly and you can drive it home clockwise.

John Ward - crwdns2853112:0crwdne2853112:0

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