Introduction

Keys sticky from spilling that 64 oz. soda all over your PowerBook? This guide will show you how to replace your keyboard and will have you up and typing in no time.

Use a coin to turn the battery locking screw 90 degrees clockwise.
  • Use a coin to turn the battery locking screw 90 degrees clockwise.

  • Lift the battery out of the computer.

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Remove the following 10 screws:
  • Remove the following 10 screws:

    • Two 3 mm Phillips in the battery compartment, on either side of the battery contacts.

    • Four 3 mm Phillips around the memory compartment.

    • Four 16 mm Phillips along the hinge.

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Remove the memory compartment cover.
  • Remove the memory compartment cover.

  • Remove the two 12 mm Phillips screws on the Aluminum bracket at the top of the memory compartment.

I had 7mm screws here instead of 12mm. Did without them till later.

gepkes - Reply

I have an Aluminum PowerBook G4 1.67Ghz since 2006.

3/4 (from bottom to top) of the LCD becomes either black or is jumbled each time I turn on the MAC or move the screen. I need to press the LCD at several locations in order for this problem to go.... any advice ?

Polanskiman - Reply

re: Polanskiman; this is usually caused by a loose ribbon connector on the rear of the LCD. Open up the display, remove the LCD, lay flat and re-connect the ribbon plug.

aaiverson - Reply

Rotate the computer 90 degrees clockwise so the power receptacle faces you.
  • Rotate the computer 90 degrees clockwise so the power receptacle faces you.

  • Remove the three 3 mm Phillips screws along the edge of the lower case.

  • When replacing these screws, you must install them in the correct order. Begin by installing the screw closest to the display hinge, then work your way toward the front of the computer.

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Turn the computer 90 degrees clockwise so the hinge faces you.
  • Turn the computer 90 degrees clockwise so the hinge faces you.

  • Remove the lower 5 mm Phillips screw on each side of the hinge (two total).

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Rotate the computer 90 degrees clockwise so the ports face you.
  • Rotate the computer 90 degrees clockwise so the ports face you.

  • Remove the three 3 mm Phillips screws along the edge of the lower case.

  • When replacing these screws, you must install them in the correct order. Begin by installing the screw closest to the display hinge, then work your way toward the front of the computer. Also, be careful not to put the screws in the two holes on either side of the video out port.

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Turn the computer over and open the display.
  • Turn the computer over and open the display.

  • Remove the two 4.2 mm long, 1.5 mm hex screws at the top corners of the upper case (two total).

  • A T6 Torx driver will work, but repeated use will strip the screws.

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Deck the Halls
With tools and Fix Kits
Grasp the back corners of the upper case and pull up.
  • Grasp the back corners of the upper case and pull up.

    • Do not pull the upper case off yet; you still need to disconnect the keyboard and trackpad cable.

  • Lift the back of the case up and work your fingers along the sides, freeing the case as you go. Once you have freed the sides, you may need to rock the case up and down to free the front of the upper case.

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Rotate the upper case up and toward the screen, so that the upper case rests against it.
  • Rotate the upper case up and toward the screen, so that the upper case rests against it.

First of all, awesome guide. I am using it in July 2015, and there is no way I could have successfully navigate the typical Apple laptop Rubik's cube of Powerbook maintenance.

Second, there is a REAL trick to removing the upper case here, and it involves knowing what those stupid internal metal catches look like so you can free them without folding your aluminum case into a pretzel.

WildBill - Reply

Remove the amber tape securing the trackpad ribbon to the logic board.
  • Remove the amber tape securing the trackpad ribbon to the logic board.

  • Disconnect the trackpad ribbon from the logic board by pulling up on the connector.

  • Remove the upper case from the computer.

in my g4 there is also a big transparent ribbon (for keyboard?), to the right of the amber trackpad ribbon, that i disconnected before removing case cover.

ykuwabara - Reply

re: ykuwabara; this is due to the differences between the Model A1095 (yours) and the newer A1138 (illustrated here). The A1138 combines the keyboard and trackpad signals into one cable.

aaiverson - Reply

On the following step, be careful with the tape on the side of the keyboard with the green power button, as the tape may stick and tear.
  • On the following step, be careful with the tape on the side of the keyboard with the green power button, as the tape may stick and tear.

  • Peel back the black plastic shielding on either side of the keyboard (there are two pieces).

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Use your fingernail to flip up the light brown plastic flap locking the keyboard ribbon cable in its socket.
  • Use your fingernail to flip up the light brown plastic flap locking the keyboard ribbon cable in its socket.

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Do the same for the keyboard backlight ribbon cable.
  • Do the same for the keyboard backlight ribbon cable.

  • Slide the cables from their sockets.

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Remove the 10 identical Phillips screws attaching the keyboard to the casing.
  • Remove the 10 identical Phillips screws attaching the keyboard to the casing.

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There are four locking tabs along the back edge of the keyboard holding it in place. These tabs must be straightened before you can remove the keyboard.
  • There are four locking tabs along the back edge of the keyboard holding it in place. These tabs must be straightened before you can remove the keyboard.

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The first frame shows a tab in the "locked" position and the second frame shows the same tab in the "unlocked" position.
  • The first frame shows a tab in the "locked" position and the second frame shows the same tab in the "unlocked" position.

  • Use needlenose pliers to bend each of the four tabs from the previous step so that they are all in the "unlocked" position.

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Place the upper casing on its edge and use a spudger to push the keyboard away from the casing, poking the spudger through the central keyboard screw hole. Grasp the keyboard as it separates from the casing.
  • Place the upper casing on its edge and use a spudger to push the keyboard away from the casing, poking the spudger through the central keyboard screw hole. Grasp the keyboard as it separates from the casing.

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Maintaining your hold on the keyboard, lay the casing flat and gently bow the keyboard until the two tabs on either side of the keyboard come free.
  • Maintaining your hold on the keyboard, lay the casing flat and gently bow the keyboard until the two tabs on either side of the keyboard come free.

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Slide the keyboard away from the trackpad and out of the upper case.
  • Slide the keyboard away from the trackpad and out of the upper case.

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To replace the keyboard, first slide the bottom tabs into the upper case.  Then bow the keyboard out and first slide the tabs in on the right side of the keyboard, then slide in the tabs on the left side.
  • To replace the keyboard, first slide the bottom tabs into the upper case. Then bow the keyboard out and first slide the tabs in on the right side of the keyboard, then slide in the tabs on the left side.

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Conclusion

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

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