Power Mac G4 CD/DVD Drive -
2
7. Unplug the power cord.
Warning: The power supply in your computer is a high-voltage component and
should not be opened for any reason, even when the computer is off. If the
power supply needs service, contact your Apple reseller or Apple Authorized
Service Provider.
8. Lift the latch on the right side access panel.
9. Gently lower the access panel until it lies flat. To avoid scratching the case, lower the
panel onto a soft, clean cloth.
(Figure 2)
Warning: If you see any lights glowing on the main logic board, the computer
has not been shut down. Close the side access panel and shut down the
computer before proceeding.
Removing the Installed CD/DVD Drive
Warning: Handle the installed CD/DVD drive with care. Hold it by both metal sides
and do not apply force to the drive’s center. Never lift or hold the drive by the front
panel.
1. With a Phillips screwdriver, remove the four screws that attach the drive carrier to the
chassis.
(Figure 3)
2. Supporting the bottom of the carrier, slide it back and rotate it so you can reach the
drive cables.
(Figure 4)
3. Carefully detach the ribbon cable tape from the top of the carrier.
(Figure 5)
4. Disconnect the following cables from the back of the CD/DVD/Zip drives
(Figure 5)
:

•ribbon cable from the CD/DVD and Zip drives

•power cable (P6) from the CD/DVD drive

•power cable (P7) from the Zip drive

5. Remove the carrier and drives from the computer.

6. Remove the four CD/DVD drive carrier mounting screws.
(Figure 6)
7. Slide the drive out of the carrier.
Installing the Replacement CD/DVD Drive
Warning: Handle the replacement CD/DVD drive with care. Hold it by both metal
sides and do not apply force to the drive’s center. Never lift or hold the drive by the
front panel.
1. Position the drive in the upper bay of the drive carrier, insert the screws from the old
drive through the holes in the carrier, and tighten to secure the drive to the carrier.