Apple ibook g4 14 inch late 2004 User Manual

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 Optical Drive4. Disconnect the optical drive ribbon cable from the logic board. 

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 Optical Drive 5.Warning: Handle the optical drive at the sides only. Do not touch or press 
anywhere else on the drive.
Without straining any cables, tilt up the optical drive and lift it out the drive. 

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 Optical Drive6. Remove the two identical screws holding the cable bracket to the optical drive.
7. Remove the cable bracket.
Note: When reassembling the computer, transfer the cable bracket to the 
replacement drive.
8. Peel off the tape from the optical drive, and disconnect the ribbon cable.
Note: When reassembling the computer, transfer the ribbon cable to the replacement 
drive.  

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 Optical Drive 9. Remove the screw holding the mounting bracket to the bezel.
10.  Remove the screws that hold the mounting bracket to the optical drive.
Important: When reassembling the computer, transfer the mounting bracket to the 
replacement drive.
Replacement Warning:
 Make sure you use the shorter screw to secure the 
mounting bracket to the bezel.  

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 Optical Drive11. With the pointed end of a black stick, press the three tabs, and tilt the bezel up and off 
of the drive.
12. Install the replacement optical drive, and reassemble and test the computer.
Replacement Note:
 When installing the replacement optical drive, align the front of 
the drive bezel to the outer edge of the frame first. Make sure the screw holes align. 
Check that the felt at the slot opening is even and not mashed. 

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 How to Remove a Stuck Disc from the Slot-Load
How to Remove a Stuck Disc 
from the Slot-Load Drive
The following instructions explain how to remove a disc that is stuck in the slot-load optical 
drive. 
Important: When a disc becomes stuck in the slot-load optical drive, it makes the drive 
unusable. Make sure you have a replacement drive available.
Tools
This procedure requires the following tools:
• ESD wriststrap and mat
• #0 Phillips screwdriver
• Black...

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 How to Remove a Stuck Disc from the Slot-Load 
Procedure
1. Remove the four identical screws that hold the top cover to the drive.
2. Slide the top cover approximately 2 mm toward the back of the drive. Lift up the top 
cover to remove it. 

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 How to Remove a Stuck Disc from the Slot-Load 3. Check the placement of the disc. It is either clamped to the turntable at the center of 
the disc, or it is wedged under one or more posts at the outer edge of the disc. 
4. Holding the edge of the disc, press on the center clamp or hold the posts steady as 
you remove the disc from the drive. 
Important: Do not touch any key components located near the disc.
5. Replace the top cover on the drive so that the...

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 Display Module
Display Module
Tools
• Soft cloth
• #0 Phillips screwdriver
• Black stick (or other nonconductive nylon or plastic tool)
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 

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 Display Module • AirPort Extreme Card
• Memory card
• Bottom case
• Bottom shield
• DC-in board
• Top case
• Top shield
• Modem
Procedure
1. With the computer on a soft cloth, note the routing of the thin, black microphone cable 
and the LVDS (low voltage data signal) cable. 
2. Disconnect the microphone cable from the logic board near the hard drive. 
3. Pull up the flexible tab to disconnect the LVDS cable from the logic board.