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Apple powerbook g4 12 inch 1 33ghz User Manual

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Page 21

 
PowerBook G4 (12-inch 1.33 GHz) Take Apart -  
19 
 Keyboard2. Open the computer, and locate the following keys:
•F1
•F2
• F11
• F12
3.
  Important:  Using a black stick, carefully pry up each of the four keys from the left side 
of each key. The keys are easily removed from the left side without damaging the 
keyboard. 

Page 22

20 - PowerBook G4 (12-inch 1.33 GHz) Take Apart
 Keyboard 4. Use a black stick or flat-blade screwdriver to lift off the two round stickers that are 
located between the two key mechanisms. Reserve the stickers for replacement.
5. Remove the screw under each of the stickers. 

Page 23

PowerBook G4 (12-inch 1.33 GHz) Take Apart - 21
 Keyboard6. Lift up the top two corners of the keyboard, and move the keyboard toward the display 
to clear the tabs at the bottom of the keyboard. 

Page 24

22 - PowerBook G4 (12-inch 1.33 GHz) Take Apart
 Keyboard 7. Flip the keyboard over and lay the keyboard flat on the trackpad.
8. Peel up the keyboard cable from its adhesive. Using a black stick, pry up the tabs at 
the ends of the connector, and then pull the cable straight up to disconnect it. 

Page 25

PowerBook G4 (12-inch 1.33 GHz) Take Apart - 23
 Keyboard9. Install the replacement keyboard. Make sure you
• Set the tabs at the bottom of the keyboard into the slots in the top case.
• Press the keyboard into place, and install the screws and round stickers.
• Install the function keys:
– Position the key directly over the scissor mechanism.
– Press the key onto the scissor.
– Check the operation of the key.
• Close the display and install the final screw in the memory bay.
10. Reassemble and test the...

Page 26

24 - PowerBook G4 (12-inch 1.33 GHz) Take Apart
 Top Case
Top Case
Tools
This procedure requires the following tools:
• #0 Phillips screwdriver 
• Black stick (or other nonconductive nylon or plastic flat-blade tool) 
• Hex 1.5 mm screwdriver 
Note: To organize the screws you remove from the computer, use a tray with divided 
compartments (such as a plastic ice cube tray).
Part Location
Preliminary Steps
Before you begin, remove the following:
• Battery
• Memory door and memory card
• Keyboard 

Page 27

PowerBook G4 (12-inch 1.33 GHz) Take Apart - 25
 Top Case
Procedure
1.Warning: The screws in the battery bay require holding the screwdriver at an 
angle. Be careful not to strip the screws.
Note: Avoid scratching the external housing by using care when removing the 
screws. You might want to cover part of the housing with a soft cloth as you remove 
screws.
With the computer upside down on a soft cloth, remove the three screws from the 
bottom case at the battery bay.
2. Remove the screws near the...

Page 28

26 - PowerBook G4 (12-inch 1.33 GHz) Take Apart
 Top Case 3. Open the display, and with the computer upright, remove the following 14 screws from 
the top case:
• one Hex, 16.5-mm long screw at upper right corner near power button
• one Hex, 7-mm long screw at upper left corner near microphone
• one #0 Phillips, 14.5-mm long screw in keyboard well
• five #0 Phillips, 4.5-mm long screws in keyboard well
• six #0 Phillips, 2.5-mm long screws in keyboard well
Replacement Note:
 When replacing the top case...

Page 29

PowerBook G4 (12-inch 1.33 GHz) Take Apart - 27
 Top Case4. Remove two screws from the front right side of the top case.
Note:
 The shape of the two 3-mm long screws differs from most of the screws used 
in the computer. The screw has a collar under the screw head.
Replacement Note:
 In addition to securing the top case to the bottom case, the two 
3-mm long screws help secure an inner bracket to the battery well. Make sure the 
bracket and two latches are installed in the bottom case before replacing...

Page 30

28 - PowerBook G4 (12-inch 1.33 GHz) Take Apart
 Top Case 6. Place the computer on its side, and loosen but do not remove the half of the top case 
that is closest to the display. 
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