Introdução

Use guide to replace a worn or broken track ball assembly.

Peças

Não são necessárias peças.

Orient the computer so the battery is facing you.
  • Orient the computer so the battery is facing you.

  • Slide the gray plastic battery cover to the right.

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Pull the battery toward yourself until it is fully detached.
  • Pull the battery toward yourself until it is fully detached.

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Orient the computer right side up with the rear facing you.
  • Orient the computer right side up with the rear facing you.

  • 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.
  • Carefully bend the door into an arch until one of the pins releases from its slot.

  • 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.
  • 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.
  • Use a T8 torx screwdriver to remove the 6.8mm long screw above and to the right of the modem jack.

  • Twist counter clockwise to remove the screw.

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Use a T10 torx screwdriver to remove the four, 18mm long screws from the lower case.
  • Use a T10 torx screwdriver to remove the four, 18mm long screws from the lower case.

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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. Release the large, gray interconnect ribbon cable just behind the I/O panel.
  • 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.

  • Release the large, gray interconnect ribbon cable just behind the I/O panel.

  • Caution: Lower case cannot be fully removed until two plastic clips in the front corners are released. See the following step for details.

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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. 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.
  • 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.

  • 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.

  • 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. Open the white tab fastener by pulling out on each side.   and remove the green and silver ribbon cable.
  • Locate the trackball assembly. It is in the upper case and can be identified by a green circuit board.

  • Open the white tab fastener by pulling out on each side. and remove the green and silver ribbon cable.

  • 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.
  • 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.
  • Remove all four components of the trackball assembly by lifting upward.

  • 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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Conclusão

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

Uma outra pessoa concluiu este guia.

John

Member since: 12-10-2011

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4 Guides authored

Equipe

Cal Poly, Team 6-3, Regan Fall 2011 Membro de Cal Poly, Team 6-3, Regan Fall 2011

CPSU-REGAN-F11S6G3

4 Membros

12 Guides authored

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