Introduzione
Use guide to replace a worn or broken keyboard.
Strumenti
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Orient the computer so the battery is facing you.
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Slide the gray plastic battery cover to the right.
 
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Orient the computer right side up with the rear facing you.
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Open the Input/Output (I/O) door.
 
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Carefully bend the door into an arch until one of the pins releases from its slot.
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Once one of the pins is free, remove the I/O door from the computer.
 
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Orient the computer with the bottom facing up and rear facing you. You should be able to read the Macintosh label in this position.
 
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Use a T8 torx screwdriver to remove the 6.8mm long screw above and to the right of the modem jack.
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Twist counter clockwise to remove the screw.
 
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Place your hands on the lower case, just above the I/O panel, and slowly lift the lower case a few inches above the main body of the computer.
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Release the large, gray interconnect ribbon cable just behind the I/O panel.
 
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Place your thumb on the upper case, inside the empty battery slot, and your index finger near your thumb on the left side of the lower case.
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Pinch your thumb and index finger towards each other to release the clip. Without releasing pressure on the pinch grip, use your index finger to push the lower case upwards.
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Lift the lower case to remove it.
 
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Locate the trackball assembly. It is in the upper case and can be identified by a green circuit board.
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Open the white tab fastener by pulling out on each side. and remove the green and silver ribbon cable.
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Remove the green and silver ribbon cable by gently pulling it away from the opened tab fastener.
 
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Use a T8 torx screwdriver to remove the six, 6.8mm long screws from the top of the green circuit board.
 
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Remove all four components of the trackball assembly by lifting upward.
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The four components of the trackball assembly should include: the green circuit board, a metal support, the track ball, and the casing.
 
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Open the left most white tab fastener in the lower left corner by pulling up on each side.
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Remove the ribbon cable by gently pulling it away from the opened tab fastener.
 
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Open the right of the two small, white tab fasteners by pulling up on both sides.
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Remove the green and silver ribbon cable from the tab fastener.
 
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To reassemble your device, follow these instructions in reverse order.