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Introducción

Replacing your lower case requires removing nearly every component from your PowerBook.

  1. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement, Battery: paso 1, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement, Battery: paso 1, imagen 2 de 2
    • Use your thumbs to push the two battery retaining tabs away from the battery.

    • The battery should pop up enough to rotate it toward yourself and lift it out of the lower case.

  2. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement, Memory Door: paso 2, imagen 1 de 1
    • Remove the three 2.3 mm Phillips screws securing the memory cover to the lower case.

  3. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 3, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 3, imagen 2 de 2
    • Lift the memory cover slightly and pull it toward yourself to remove it from the lower case.

  4. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement, Upper Case: paso 4, imagen 1 de 1
    • Remove the following ten screws:

    • Two 14.7 mm shouldered Phillips.

    • Three 12.3 mm Phillips.

    • One 3.8 mm T8 Torx.

    • One 6.8 mm T8 Torx.

    • Three 1.3 mm Phillips.

  5. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 5, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 5, imagen 2 de 2
    • The ZIF cable is located underneath the bottom RAM slot. If your PowerBook has both RAM slots occupied, make sure to remove the RAM chip.

    • Use your fingernails to separate the ZIF cable lock away from its socket. (Move the two brown bits down 1mm)

    • The ZIF cable lock will move about a millimeter away from the socket before it stops (see picture 2). Do not try to remove the ZIF cable lock.

  6. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 6, imagen 1 de 1
    • Use the tip of a spudger to slide the trackpad ribbon cable out of its socket.

  7. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 7, imagen 1 de 1
    • Remove the four 3.4 mm Phillips screws from the PC card side of the PowerBook.

    • When replacing these screws, you must reinstall each screw in the correct order. Begin by installing the screw closest to the display hinge, and go out from there.

  8. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 8, imagen 1 de 1
    • Remove the four 3.4 mm Phillips screws from the DVI connector side of the PowerBook.

    • When replacing these screws, you must reinstall each screw in the correct order. Begin by installing the screw closest to the display hinge, and go out from there.

    • During reassembly, make sure to reinstall the two screws on the right into their appropriate locations, and not the DVI port anchor holes.

  9. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 9, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 9, imagen 2 de 2
    • Depress the display latch release button and open your display.

  10. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 10, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 10, imagen 2 de 2
    • Starting near the display, lift the upper case straight up off the lower case, minding any cables that may get caught.

  11. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement, Speakers: paso 11, imagen 1 de 1
    • Disconnect the RJ-11 cable from the modem.

  12. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 12, imagen 1 de 1
    • If necessary, remove the strip of tape covering the speaker cables.

  13. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 13, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 13, imagen 2 de 2
    • Use your fingernails or the tip of a spudger to separate the ZIF cable lock from its socket.

    • The ZIF cable lock will move about 1 mm and stop. Do not attempt to completely remove the ZIF cable lock.

  14. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 14, imagen 1 de 1
    • Pull the DC-in ribbon cable straight away from its socket.

  15. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 15, imagen 1 de 1
    • Peel the DC-in cable off the adhesive securing it to the lower case.

  16. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 16, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 16, imagen 2 de 2
    • If necessary, use the tip of a spudger to remove the small piece of foam tape from the side of the left speaker.

    • De-route the AirPort antenna cables from the channel in the left speaker.

  17. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 17, imagen 1 de 1
    • Remove the single 6.9 mm T8 Torx screw securing the left speaker to the lower case.

  18. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 18, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 18, imagen 2 de 2
    • Lift the left speaker from its rear edge and maneuver it out of the lower case, minding the cables sitting in the channel near the front edge of the left speaker.

  19. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 19, imagen 1 de 1
    • Remove the single 6.9 mm T8 Torx screw securing the speaker cable ground loop to the lower case.

  20. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 20, imagen 1 de 1
    • Peel back the piece of foil tape covering the modem cable to free the speaker cable held underneath.

  21. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 21, imagen 1 de 1
    • Pull the speaker cable straight up to disconnect it from the sound card.

  22. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 22, imagen 1 de 1
    • In the next few steps, you will disconnect several ribbon cables that cover the right speaker cable.

    • Use the flat end of a spudger to pry the hard drive ribbon cable connector up off the logic board.

  23. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 23, imagen 1 de 1
    • Use the flat end of a spudger to pry the sound card cable connector up off the logic board.

  24. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 24, imagen 1 de 1
    • Use the flat end of a spudger to pry the optical drive cable connector up off the logic board.

  25. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 25, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 25, imagen 2 de 2
    • Use your fingernails or the tip of a spudger to separate the ZIF cable lock from its socket.

    • The ZIF cable lock will move about 1 mm and stop. Do not attempt to completely remove the ZIF cable lock.

  26. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 26, imagen 1 de 1
    • Pull the PRAM battery & USB board cable out of its socket.

  27. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 27, imagen 1 de 1
    • Use a spudger to de-route the display data cable from the channel in the right speaker.

  28. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 28, imagen 1 de 1
    • Use the tip of a spudger to pry the power button LED window off the right speaker.

    • Try to place the window curved-side down on your work surface to keep the adhesive around its perimeter clean.

  29. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 29, imagen 1 de 1
    • Remove the single T8 6.9 mm Torx screw securing the right speaker to the lower case.

  30. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 30, imagen 1 de 1
    • Lift the right speaker out of the lower case.

  31. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 31, imagen 1 de 1
    • De-route the speaker cable from the clips along the front edge of the logic board.

    • The clips open in different directions, so be careful to not break any off during removal.

  32. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement, Logic Board: paso 32, imagen 1 de 1
    • Close your PowerBook, minding any cables that may interfere, and flip it over.

    • Disconnect the power cable connector by pulling it straight away from its socket on the logic board.

  33. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 33, imagen 1 de 1
    • Disconnect the battery cable connector straight away from its socket on the logic board.

  34. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 34, imagen 1 de 1
    • Use the flat end of a spudger to pry the AirPort/Bluetooth cable connector up off the logic board.

  35. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 35, imagen 1 de 1
    • Turn the PowerBook back over.

    • Use the flat end of a spudger to pry the modem cable connector up off the logic board.

  36. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 36, imagen 1 de 1
    • Use the flat end of a spudger to pry the PC card cage cable connector up off the logic board.

  37. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 37, imagen 1 de 1
    • Disconnect both of the following connectors from the logic board:

    • Left fan cable.

    • Inverter cable.

    • Be sure to pull only parallel to the face of the logic board, as pulling up on the socket will break it off the logic board.

    • When pulling these connectors away from their sockets, it is helpful to use your fingernails to pull on the ears at each side of the connector.

  38. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 38, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 38, imagen 2 de 2
    • Remove the following four screws securing the optical drive to the lower case:

    • Three 6.8 mm T8 Torx.

    • One 3.8 mm T8 Torx.

    • Lift the optical drive out of the lower case, minding any cables that may get caught.

  39. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 39, imagen 1 de 1
    • If necessary, remove the piece of tape securing the display data cable to the logic board.

  40. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 40, imagen 1 de 1
    • Pull the display data cable away from its socket to disconnect it from the logic board.

    • Be sure to pull only parallel to the face of the logic board, as pulling up on the socket will break it off the logic board.

  41. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 41, imagen 1 de 1
    • Disconnect the right fan by pulling its connector away from the socket on the logic board.

    • When pulling this connector away from its socket, it is helpful to use your fingernails to pull on the ears at each side of the connector.

    • Be sure to pull only parallel to the face of the logic board, as pulling up on the socket will break it off the logic board.

  42. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 42, imagen 1 de 1
    • Remove the following 12 screws:

    • Three black 5.7 mm T8 Torx.

    • Three 7 mm T8 Torx with spring washers.

    • Three 6.8 mm T8 Torx.

    • Three 3.8 mm T8 Torx.

  43. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 43, imagen 1 de 1
    • If necessary, use a spudger to pry up the left edge of the logic board to separate the solidified thermal paste from the heat sink.

    • If any resistance is felt when prying up on the logic board, we recommend softening the thermal paste by heating the board with a hair dryer before prying further.

    • Lift the logic board from its left edge and rotate it toward the right side of the lower case.

    • The logic board on this model has a tendency to get caught on the lower case near the DVI port at the upper right corner. If it catches as you are rotating it, stop to avoid bending and breaking the logic board.

    • Rotate the logic board until it is nearly vertical, and wiggle it around until it releases from the lower case.

    • When reinstalling your logic board, be sure to apply thermal paste to the CPU. Our thermal paste guide makes it easy.

    • Only replace the gray thermal paste on the CPU. The white thermal material on the GPU chips can be reused.

  44. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement, Heat Sink & Fan Assembly: paso 45, imagen 1 de 1
    • Use the flat end of a spudger to pry the modem cable connector up off the modem.

    • The modem cable is now completely free and can be removed.

  45. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 46, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 46, imagen 2 de 2
    • Use a 4 mm nut driver to remove the two nuts securing the modem to the PC card cage.

    • Lift the modem straight up off the studs on the PC card cage.

  46. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 47, imagen 1 de 1
    • Use the tip of a spudger to peel back the small strip of copper tape off the edge of the PC card cage near the side of the lower case.

  47. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 48, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 48, imagen 2 de 2
    • Remove the four Phillips screws securing the PC card cage to the lower case.

    • The two longer shouldered screws belong in the end of the PC card cage closest to the logic board.

    • Lift the PC card cage by its center piece and maneuver it out of the lower case.

  48. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 49, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 49, imagen 2 de 2
    • When reinstalling your PC card cage, be sure to insert the post sticking up from the PC card release button into the hole in the black plastic release mechanism on the PC card cage.

  49. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 50, imagen 1 de 1
    • Use the tip of a spudger to press the metal pressure connector down through the hole in the AirPort/Bluetooth board and lift it out from the lower case.

  50. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 51, imagen 1 de 1
    • Use the flat end of a spudger to pry the AirPort/Bluetooth board off the adhesive securing it to the lower case.

    • Be careful not to bend the bracket attached to the top right corner of the AirPort/Bluetooth board.

  51. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 52, imagen 1 de 1
    • If necessary, remove the piece of tape and EMI foam covering the AirPort/Bluetooth antennas.

    • Don't forget to reapply this piece of tape during reassembly. It insulates the bare antenna connectors from the metal PC card cage.

  52. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 53, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 53, imagen 2 de 2
    • Use the flat end of a spudger to pry both antenna connectors off the AirPort/Bluetooth board.

  53. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 54, imagen 1 de 1
    • Before proceeding, be sure your display is perpendicular to the lower case.

    • Remove four T6 Torx screws from the left display hinge.

    • We intentionally have you leave one screw in the left display hinge to aid in disassembly.

    • The screw holding the plastic display cable bracket to the lower case is shorter than the rest.

  54. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 55, imagen 1 de 1
    • Remove four T6 Torx screws from the right display hinge.

    • We intentionally have you leave one screw in the right display hinge to aid in disassembly.

    • The screw holding the plastic display cable bracket to the lower case is shorter than the rest.

  55. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 56, imagen 1 de 1
    • While supporting the display with one hand, remove the last two T6 Torx screws from the display hinges.

  56. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 57, imagen 1 de 1
    • Lift the display straight up from the lower case, minding any cables that may get caught.

    • Check out our display install tips to help properly reinstall your display.

  57. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 58, imagen 1 de 1
    • Remove the two T8 Torx screws securing the DC-in board to the lower case.

  58. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 59, imagen 1 de 1
    • Pull the DC-in board away from the left side of the lower case and set it aside.

    • It may be necessary to use a spudger to pry the board away from the aluminum frame attached to the lower case.

  59. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 60, imagen 1 de 1
    • Remove seven Torx T8 screws from the heat sink and fan assembly.

    • The screw in the upper right corner is shorter than the others.

  60. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 61, imagen 1 de 1
    • Lift the heat sink and fan assembly out of the lower case.

    • Lift the heat sink and fan assembly out of the lower case.

  61. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement, Lower Case: paso 62, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement, Lower Case: paso 62, imagen 2 de 2
    • Remove the following four screws:

    • Three 11.1 mm T8 Torx.

    • One 3.9 mm T8 Torx.

    • Lift the hard drive out of the lower case.

  62. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 63, imagen 1 de 1
    • Remove the two T8 Torx screws securing the sound card to the lower case.

  63. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 64, imagen 1 de 1
    • Use the flat end of a spudger to pry the USB sockets away from the left edge of the lower case.

  64. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 65, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 65, imagen 2 de 2
    • Lift the sound card slightly out of the lower case, minding the fragile lower portion holding the microphone connector.

    • The sound card is still attached to the PowerBook by the microphone cable.

  65. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 66, imagen 1 de 1
    • Pull the sound card ribbon cable straight away from its socket on the sound card.

  66. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 67, imagen 1 de 1
    • Use your fingernails to pull the microphone connector straight away from its socket on the sound card.

  67. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 68, imagen 1 de 1
    • Remove the two T8 Torx screws securing the PRAM battery & USB board to the lower case.

  68. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 69, imagen 1 de 2 PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 69, imagen 2 de 2
    • Pull the board away from the side of the lower case to separate the USB socket from the bezel on the lower case.

    • Lift the PRAM battery & USB board out of the lower case.

  69. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 70, imagen 1 de 1
    • If necessary, remove the strip of yellow kapton tape covering the battery connector.

  70. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 71, imagen 1 de 1
    • Remove the two 8.5 mm T8 Torx screws securing the battery connector to the lower case.

  71. PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) Lower Case Replacement: paso 72, imagen 1 de 1
    • Pull the battery connector out of its opening in the lower case.

    • Lower case remains.

Conclusión

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

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