Apple Power Mac G4 Replacement Instructions

073-0545 Computer Enclosure Replacement Instructions Be sure to follow the instructions in this sheet carefully. Failure to follow these instructions could result in damage to your equipment and may void your warranty. Replacing your computer enclosure requires three basic steps: • Turn off the computer. • Remove the computer core from the enclosure. • Replace the computer core in the new enclosure. Note: A video version of the replacement instructions is available at http://www.info.apple.com/installparts Tools Required No tools are required for this procedure. Electrostatic Discharge (ESD) Static electricity, a normal and natural phenomenon, builds up on your body as you walk around. You experience an electrostatic discharge (ESD) when you touch an object and feel a spark. ESD can cause damage to the internal components of your computer.

Removing the Computer Core From the Enclosure Warning: Always turn off your computer before opening it to avoid damaging its internal components. 1 Place your computer on a clean, flat surface. 2 Shut down your computer by opening the Special menu and choosing Shut Down. Then wait five minutes for the computer’s internal components to cool down. 3 Unplug all cables from the computer except the power cord. Note: If you have never plugged in your computer, connect the computer’s power cord and plug it in. 4 Turn your computer upside down on a soft, clean cloth. 5 Touch the bare metal at the port access covers on the back of the computer. Important: To avoid electrostatic discharge, always ground yourself by touching the port access covers before you touch any parts or install any components inside the computer. To avoid static electricity building back up in your body, do not walk around the room until you have completed the installation and closed the computer. 6 Unplug the power cord. Soft Clean Cloth Power Cord Power Adapter

7 Push down on the latch to release it. Allow the latch to extend completely. 8 Gently pull the core from the computer enclosure and place the core on a soft cloth. Latch Extended Latch Core Enclosure

Replacing the Computer Core in the New Enclosure 1 Holding the core by the latch, insert the core into the new enclosure. Note: The core fits into the enclosure only one way. Position the core so the ports are toward the back of the enclosure. 2 With a flat hand, press down on the latch until it locks into place. Firmly press the core to ensure it is fully secured within the enclosure. Important: Do not lift or carry your computer by the core latch. The enclosure could fall off the core and be damaged. Core Enclosure Latch

3 Turn your computer upright and reconnect all cables. 4 Restart your computer. Warning: Never turn on your computer unless all of its internal and external parts are in place and it is closed. Operating the computer when it is open or missing parts can damage your computer or cause injury. K Apple Computer, Inc. © 2000 Apple Computer, Inc. All rights reserved. Under the copyright laws, this document may not be copied, in whole or in part, without the written consent of Apple. The Apple logo is a trademark of Apple Computer, Inc., registered in the U.S. and other countries. Use of the “keyboard” Apple logo (Option-Shift-K) for commercial purposes without the prior written consent of Apple may constitute trademark infringement and unfair competition in violation of federal and state laws. Every effort has been made to ensure that the information in this document is accurate. Apple is not responsible for printing or clerical errors. Apple Computer, Inc. 1 Infinite Loop Cupertino, CA 95014-2084 408-996-1010 http://www.apple.com Apple, the Apple logo, Mac, Macintosh, and the Mac logo are trademarks of Apple Computer, Inc., registered in the U.S. and other countries. Power Mac is a trademark of Apple Computer, Inc.