Apple Power Mac G4 and Macintosh Server G4 - Power Supply Replacement Instructions
Summary
This comprehensive guide provides detailed, step-by-step instructions for safely replacing the power supply unit in Power Mac G4 and Macintosh Server G4 systems. The manual ensures users can properly remove old components, install new hardware, and reconnect all internal cables, while advising on necessary precautions like grounding to prevent static electricity discharge. Ideal for technicians and knowledgeable users performing system maintenance or repairs on vintage Apple machines.
Page 1 Text Content
Power Mac G4 / Macintosh Server G4
Power Supply Replacement Instructions
Follow the instructions in this sheet carefully. Failure to follow these instructions could damage your equipment and void its warranty.
Note: Written and video instructions covering customer-installable parts are available at http://www.info.apple.com/installparts/.
Warning: During this procedure, keep small parts away from chlldren.
Tools Required This procedure requires the following tools: Phillips screwdriver 2.5 mm Allen wrench
Opening the Computer Warning: Always shut down your computer before opening it to avoid damaging its internal components or causing injury. After you shut down the computer, the internal components can be very hot. Let the computer cool down before continuing. 1. Place your computer on a clean, flat surface. 2. If you think your computer is in sleep, press the power button on the front of the computer to wake it. 3. Shut down your computer and wait five minutes before continuing. 4. If you attached a security cable through the computer’s lockable cover latch, remove the cable. 5. Unplug all other cables from the computer except the power cord. 6. Touch the metal PCI access covers on the back of the computer. (Figure 1)
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.
073-0625 Rev. A
Page Summary Contents For Apple Power Mac G4 and Macintosh Server G4 - Power Supply Replacement Instructions
Manual Details
| Brand | Server |
|---|---|
| Pages | 11 |
| File Size | 414.81 KB |
| Published | June 02, 2026 |
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Frequently Asked Questions
What safety precautions are recommended before opening the computer?
Always shut down the computer, wait five minutes for it to cool, and ground yourself by touching the metal PCI access covers to prevent static discharge.
Are there any warnings regarding handling the power supply unit?
The power supply is high-voltage; while you can remove it, do not open the power supply case under any circumstances.
What tools are required for this procedure?
You will need a Phillips screwdriver and a 2.5 mm Allen wrench.
Where can I find written instructions for customer-installable parts?
Instructions can be found at http://www.info.apple.com/installparts/.