Introducción
Replacing the plastic lower case.
Note that there are three different, non-interchangeable lower cases for the non-Unibody Macbook Core Duo/Core 2 Duo series: the original models, the Santa Rosa/Penryn models, and the Early 2009/Mid 2009 models. They are non-interchangeable due to different locations for the mounting screw posts for the different heat sinks, the subwoofer, and the right hinge mount.
Qué necesitas
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Use a coin or spudger to rotate the battery-locking screw 90 degrees clockwise.
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Unscrew the three evenly-spaced Phillips screws from along the rear wall of the battery compartment.
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Remove the following 3 screws:
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One 11 mm Phillips#00 in the middle of the lower case. (Head: 5mm dia. x .75mm thick)
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Two 14.5 mm Phillips #00 (Head: 5mm dia. x .75mm thick)
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Grasp the white plastic tab attached to the hard drive and pull it to the left, removing the hard drive from the computer.
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Remove the 2 mm Phillips #00 screw securing the rear corner of the optical drive.
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The silver-jacketed Bluetooth cable may be covering the screw. If so, carefully push it aside. You may need to remove the screw holding the ground shield lugs for the two nearby cables before you can move the Bluetooth cable aside sufficiently. This screw is 7mm in earlier models, and may be 4.2mm in Santa Rosa/Penryn and 2009 models.
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Lift the side of the optical drive closest to you, then slide the drive towards you, and up and out of the computer.
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First, slide its side nearest to the rear of the Macbook under the edge of the rear frame to the left of the hinge, while also sliding the optical drive's mounting tab at its upper left corner under the cables at this location.
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Lower the drive partially into the lower housing. Keep the hard drive cable away from the optical drive bay.
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Before dropping the drive fully in place, use a spudger to push forward (towards the front of the drive) on the screw hole in the drive's mounting tab.
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Push forward the slider, which runs along the far side of the drive, to insert the end of this slider into a small channel in the lower case's frame. This helps hold the drive in place.
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For original Macbook Core Duo and Core 2 Duo models, remove these 3 screws:
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Two 3 mm Phillips near the right speaker.
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One 6 mm Phillips threaded through a hole in a plastic finger above the subwoofer.
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For Santa Rosa/Penryn and 2009 models, which don't have a c-channel:
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Remove only the single 3 mm Phillips screw from the right speaker, and skip step 26.
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Use a spudger to carefully disconnect the microphone cable from the logic board. You'll want to work from side to side, and slowly wiggle the plug back and out of its socket.
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Disconnect the antenna cables from the Airport card:
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If you have an original MacBook Core Duo or Core 2 Duo model, see the first picture, which shows that there are three antenna cables.
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If you have a MacBook Core 2 Duo Santa Rosa/Penryn or 2009 model, there are only two antenna cables, and the plug/socket for the black inverter cable is in a different location. There may be a square foam piece over the plug/socket for the inverter board connector.
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Disconnect the inverter cable from its socket by inserting a spudger between the right or left ends of the plug and the socket, and prying gently vertically. Do NOT pry up on the socket--you must pull up on the plug alone, vertically out of the socket. Do not pull in the direction of the cable wires or you will tear the socket off the logic board.
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For original Macbook Core Duo and Core 2 Duo models, see first picture and remove the following 2 screws from the right hinge mount:
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One 6 mm Phillips on the left side of the hinge mount.
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One 10 mm Phillips on the right side of the hinge mount.
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For Santa Rosa/Penryn and 2009 models, see second picture and remove the following 3 screws from the right hinge mount:
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One 3 mm smalller diameter Phillips on the far left.
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One 5.2 mm larger diameter, 4.2 mm head Phillips in the middle.
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One 10 mm larger diameter, 4.2mm head Phillips from the far right.
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Before removing the right hinge mount, take care to see how its pieces fit together, including the small white plastic piece. Knowing how the mount pieces fit together will help with reassembly. Lift the right hinge mount with the small white plastic piece out of the computer.
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Hold the display with one hand while removing the following 3 screws from the left hinge mount:
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One 7.2 mm smaller diameter Phillips from the right side.
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One 5.2 mm larger diameter Phillips from the middle.
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One larger diameter 10 mm Phillips from the left side.
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Lift the left hinge mount with white plastic piece out of the computer.
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Check that the cables coming out of the right end of the left hinge are not trapped under other cables.
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Peel up the small black rubber cover from the right side of the heat sink.
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Core Duo and original Core 2 Duo models (photo 1):Disconnect the two newly-revealed temperature sensor connectors and the fan connector from the logic board. These connectors move up vertically off of the logic board, NOT pulled towards the rear of the case, and can be lifted with gentle pressure from under the cable.
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Santa Rosa/Penryn models (photo 2): There is only one temperature sensor connector containing all four wire leads.
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Early and Mid 2009 models don't have a separate temperature sensor attached to the heat sink, and thus no cable for it, so nothing is plugged into the temperature sensor connector.
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Lift the left I/O frame up and out of the computer. Pay attention to the thin metal EMI fingers, as they may catch as you remove the left I/O frame, especially the two fingers, above the Firewire and headphone ports, which have hooks that engage with holes in the second EMI metal shield, which runs along the front of the I/O ports.
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Lift the logic board up from its right side, slide it to the right slightly, and then up and out of the lower case. If the I/O ports don't easily release from the left side of the housing, gently pull up the lower left corner of the logic board by pulling up on the battery connector cable.
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Carefully lift the hard drive connector out of the case slightly, and turn it over to reveal the IR sensor's ribbon cable connector beneath. Use a spudger to flip up the tiny locking bar holding the end of the cable in place.
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Slide the orange IR sensor cable out of its connector, and lift the hard drive connector out of the computer. The IR sensor, its ribbon cable, and its small circuit board remain in place on the lower case.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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