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MacBook Pro 15" Core 2 Duo Models A1226 and A1260 Lower Case Replacement

Replacing the metal bottom case.

Step 1 Lower Case  ¶ 

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Step 1 Lower Case  ¶ 

  • Lift the heat sink out of the computer.

  • Peel up the iSight cable from the black tape at the top of the left fan.

  • Peel up the left ambient light sensor cable from above the left fan, removing tape as necessary.

  • Remove the left fan from the computer.

  • If you need to mount the heat sink back into the laptop, we have a thermal paste guide that makes replacing the thermal compound easy.

Step 2  ¶ 

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Step 2  ¶ 

  • Disconnect the two antenna cables attached to the Airport Extreme card.

  • Apple was kind enough to include a label showing where each color antenna cable plugs in - just make sure to look at this when reconnecting the antenna cables.

  • If you have a MacBook Pro 15" Core 2 Duo A1226, there are three antenna cables on the Airport card.

Step 3  ¶ 

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Step 3  ¶ 

  • Deroute the Airport antenna cables from their channel in the left speaker.

  • Remove the single black T6 Torx screw located just above the Airport Extreme card.

  • Lift the small silver metal retaining bracket up and out of the computer.

  • Lift the Airport Extreme card up and slide it out of its connector.

Step 4  ¶ 

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Step 4  ¶ 

  • Remove the single black T6 Torx screw located just above the Airport Extreme card.

  • Lift the small silver metal retaining bracket up and out of the computer.

  • Lift the Airport Extreme card up and slide it out of its connector.

Step 5  ¶ 

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Step 5  ¶ 

  • Peel up the orange hard drive cable from above the ExpressCard cage.

  • Disconnect the speaker cable from the corner of the left I/O board.

Step 6  ¶ 

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Step 6  ¶ 

  • Disconnect the speaker cable from the corner of the left I/O board.

Step 7  ¶ 

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Step 7  ¶ 

  • Carefully peel up the black adhesive tape securing the speaker cable along the rear edge of the lower case.

  • Continue to free the speaker cable from the black tape until it is free from all three sections of tape.

Step 8  ¶ 

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Step 8  ¶ 

  • Remove the single black T6 Torx screw securing the right speaker to the lower case.

  • Use a spudger to pry up the right speaker from the lower case.

  • Remove the speakers from the computer.

Step 9  ¶ 

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Step 9  ¶ 

  • Use a spudger to disconnect the inverter cable from the corner of the left I/O board.

Step 10  ¶ 

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Step 10  ¶ 

  • Support the display with one hand while removing the following 3 screws:

    • Two 9.5 mm silver T6 Torx screws with threads on only part of the shaft on the inside of the display hinges.

    • One 9.5 mm silver T6 Torx screw with threads on the entire shaft on the outside of the left hinge.

  • Grasp the display assembly on both sides and lift it up and out of the computer.

Step 11  ¶ 

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Step 11  ¶ 

  • Disconnect the IR and sleep light cables from their connectors above the hard drive, removing tape as necessary.

  • Remove the two silver Phillips screws securing the hard drive retaining bracket to the lower case.

  • Lift the hard drive retaining bracket up and out of the computer.

  • Lift the hard drive up from the right side and remove it and the attached cable from the computer.

Step 12  ¶ 

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Step 12  ¶ 

  • Remove the two silver T6 Torx screws securing the hard drive retaining bracket to the lower case.

  • Lift the hard drive retaining bracket up and out of the computer.

  • Lift the hard drive up from the right side and remove it and the attached cable from the computer.

Step 13  ¶ 

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Step 13  ¶ 

  • Remove the following 7 screws/standoffs:

    • Four black T6 Torx screws securing the left I/O board to the lower case.

    • Two silver T6 Torx screws securing the battery connector to the lower case.

    • One 4 mm standoff located between the audio jacks.

  • Lift the left I/O board up from the right side and slide it out of the computer.

Step 14  ¶ 

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Step 14  ¶ 

  • Peel up the orange Kapton tape covering the right thermal sensor. Repeat the same procedure for the left thermal sensor.

  • Use a spudger to pry the right thermal sensor off the lower case. Repeat the same procedure for the left thermal sensor.

  • Use a spudger to pry up the PRAM battery off the lower case.

  • Lower case remains.