Apple ibook g4 12 inch mid 2005 User Manual

iBook G4 (12-inch Mid 2005) Take Apart - 60
 Top Shield Important:
 Some optical drive  flex cables carry the potential of an electrical short that 
would manifest as an optical drive error. Whenever you remove the top shield from this 
computer, be sure to check the optical drive cable and replace it, if necessary. For 
complete instructions, refer to the procedure Checking the Optical Drive Cable in the 
Additional Procedures chapter. 

61 - iBook G4 (12-inch Mid 2005) Take Apart
 I/O Bezel
I/O Bezel
Tools
• Soft cloth
• #0 Phillips screwdriver
• Black stick (or other nonconductive nylon or plastic tool)
Part Location
Preliminary Steps
Before you begin, remove the following:
• Battery 
• Keyboard and RAM shield
• AirPort Extreme Card
• Memory card
• Bottom case
• Bottom shield
• DC-in board
• Top case 

iBook G4 (12-inch Mid 2005) Take Apart - 62
 I/O Bezel
Procedure
1. With the computer on a soft cloth, remove the two screws from the I/O bezel. 
2. Remove the I/O bezel from the computer frame.
Note:  When reassembling the computer, make sure that the I/O bezel is level and fits 
over all ports. 

63 - iBook G4 (12-inch Mid 2005) Take Apart
 I/O Bezel
3. Install the replacement I/O bezel, and reassemble and test the computer.
Note:  When installing the replacement I/O bezel, make sure the bezel shield a\
nd the 
mylar panel fits over the underside of the logic board, as shown below. 

iBook G4 (12-inch Mid 2005) Take Apart - 64
 RJ11 Modem Cable
RJ11 Modem Cable
Tools
• Soft cloth
• #0 Phillips screwdriver
• Needlenose pliers
• Black stick (or other nonconductive nylon or plastic tool)
Part Location
Preliminary Steps
Before you begin, remove the following:
• Battery 
• Keyboard and RAM shield
• AirPort Extreme Card
• Memory card
• Bottom case
• Bottom shield
• DC-in board
• Top case 

65 - iBook G4 (12-inch Mid 2005) Take Apart
 RJ11 Modem Cable
• Top shield
• I/O bezel
Procedure
1. With the computer on a soft cloth, remove the 3-mm long screw from the small shield.
2. Remove the small shield. 

iBook G4 (12-inch Mid 2005) Take Apart - 66
 RJ11 Modem Cable 3. Locate the modem cable connector at the modem board.
4. Use a black stick or needlenose pliers to disconnect the RJ11 modem cable from the 
modem board.  

67 - iBook G4 (12-inch Mid 2005) Take Apart
 RJ11 Modem Cable
5. Guide the cable up through the metal channel of the modem shield.
6. While supporting the computer assembly, slide the modem port forward and off of the 
logic board. 
7. Install the replacement RJ11 modem cable, and reassemble and test the computer. Replacement Note:  Make sure you install the small shield after installing the RJ11 
modem cable. 

iBook G4 (12-inch Mid 2005) Take Apart - 68
 Hard Drive
Hard Drive
Tools
• Soft cloth
• #0 Phillips screwdriver
• Black stick (or other nonconductive nylon or plastic tool)
• Torx T8 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 
• Keyboard and RAM shield 

69 - iBook G4 (12-inch Mid 2005) Take Apart
 Hard Drive
• AirPort Extreme Card
• Memory card
• Bottom case
• Bottom shield 
• DC-in board
• Top case
• Top shield
Procedure
1. Remove the six identical 4.5-mm long screws:
• four from the hard drive brackets 
• two from the holder over the hard drive connector
2. Lift off the holder from the hard drive connector. Replacement Note:  Be sure to reinstall the connector holder when replacing the 
hard drive.