Power mac g5 late 2005 power supply replacement

Since then, all of these Macs have aged, and the so-so capacitors have grown worse over time. Someone who works with electronics regularly should have no problem helping you identify failed and failing capacitors. In many cases, you can probably get them fixed very reasonably. We include the model indentifier and Apple item number as well as the power supply. It took the MacTracker app, Apple tech specs, and some sites that sell these power supplies to put all the pieces together for you. In short, there are only four different power supplies.

The W is used in all single-processor models and in the Early dual processor machines except for the 2. The W is used in dual processor and models and the 2. So there you have it, all the Power Mac G5 power supplies in one handy table. I found a use 1. Quality electrolytic capacitors should have a service life of around years before they go out of spec. That is, the capacitance changes by more than the tolerance listed for the part, not that the part actually leaks or fails. I suspect the problem is either Apple is cheating by using cheap Chinese junk components or they are running above the rated temperature to get the slimmest possible design, or maybe both.

Pay the extra money and use high-quality European or Japanese parts, such as Panasonic or Nichicon. Concensus seems to be that pretty much the entire industry was using Chinese junk capacitors. Low End Mac is funded primarily through donations. All of our advertising is handled by BackBeat Media. For price quotes and advertising information, please contact BackBeat Media at This number is for advertising only.

Power Mac G5 power supply repair program

Check the pin connections for any damage. All the pins highlighted in yellow should appear straight up and not appear bent. A bent pin will result in your computer not powering on. Locate the power supply in the Apple G5 computer. It is located under the metal plate at the bottom of the computer case.

Unplug the cord that is located below where the cooling unit was.

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To do this, pull outwards. This will require some bending, be sure not to bend the metal too much to prevent damage to the metal.

Pull the metal cover up slightly and out of the computer to prevent damage to the logic board. The bottom of the computer should look like this when removal of the power supply is complete. I did not complete this guide.

I followed this guide to replace the PSU in my 2x2. I'd like to add that my machine didn't boot right away, I needed to reset the SMU on the main Logic board several times and I also re-seated the RAM chips which seemed to cajole the old beast back into life.

Power Mac G5 power supply repair program - CNET

Many thanks to the team for posting this ifixit guide. Finally - I would also like to add that this guide shows the CPU unit of what I think is one of the crazy liquid-cooled G5s that made a brief appearance in the Powermac range. The same steps still apply for the more common air-cooled models. The only difference being that my machine's CPU units were secured on their mountings with Allen-key type screws - not Torx screws.

Doing this repair was not as difficult as you might think, I managed fine and I'm not a tech specialist. Select a Language: Help Translate iFixit. Adam and 8 other contributors. Difficulty Moderate.

Introduction

Steps Time Required 45 minutes. Sections 5. Flags 0. Introduction This guide will detail how to remove the Apple G5's main power supply. Tools Buy these tools. Step 1 Side Panel. Add a comment. Add Comment. Step 2. Step 3.

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Step 4. Step 5 Front Fan Assembly. Step 6. Step 8. Step 9. Step One comment. Step 14 Processor and Cooling Unit.