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Power Mac G5 (A1177)

Submitted By: powerbookmedic
Approved On: 11/18/09
Description: This is an official Powerbookmedic.com take-apart guide for the Power Mac G5.

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Comments (29):

macnick
6 months ago
Excellent video. Thank you!
Dave
1 year ago
Very helpful. Thanks for making this.
AlexO
1 year ago
Well...I get nothing! All I hear is a couple of clicks (very minimal in noise) but that is only when I plug the power cord to the mac..pressing the power on button does not turn anything at all. Logic board diagnostics lights are not on. I tested the back up battery, still gives more than 3.5 v.. Resetting the PMU does not do anything at all...So, now my question is: how do I test the Power Supply unit (pins) I see a lot of testing on different power supply units, but not on a 1000-watts for this Power mac late 2005 model.This model has two molex pins (P1 is 6 pins and P2 is 10 pins)...I bought this used power supply (not from here) and I've only have a couple of days left on the warranty, so I just want to check it and make sure if it was faulty to begin with...or maybe I need a logic board...thanks
AlexO
1 year ago
OK. I was just making sure that I wasn't missing any steps...Is all ready to be plugged in the wall and turn on...but you know how this things are...Thanks!
Powerbook Medic
1 year ago
@AlexO - not sure what tests you can do without plugging it into the motherboard and powering it on that would help.
AlexO
1 year ago
So, I replaced the PS unit with the same model, etc...How do I make sure that everything is placed as it should (I'm sure I did, but you never know). Any suggestions as to what to look for before I turn it on again? what should I look for? Thanks
Powerbook Medic
2 years ago
@Joel - these typically have some indicator lights inside if there are specific issues which you can find references to online. It could be a power supply issue though. Apple Stores may not help much these days on this model considering their age, but an Apple authorized repair shop may be able to.
Joel
2 years ago
I have one of these I acquired from my job, but it doesn't start.... it has the odd horizontal pronged power supply, but didn't come wit ha cord. I bought one off of ebay, but when I hit the power button... nothing. Is there a way for me to troubleshoot it or should I take it to an Apple Store?
Powerbook Medic
2 years ago
@ Apple user - That would likely need to be professionally diagnosed as it could be a number of things. You can try removing ram chips one by one first, and if that doesn't solve the issue you'll likely need a logic board.
Apple user
2 years ago
my g5 wouldn't turn on... it sounds like it is working but the light on the switch would be off or binking sometimes and nothing comes out on the screen... after a few minutes, the fans would start spinning faster and getting louder... Does that has to be a mother board or a powersupply, help me out
Powerbook Medic
2 years ago
@Polomaco - there shouldn't be a problem doing that.
Polomaco
2 years ago
mind is dual 1.8 ghz power pc g5, need to upgrade the processor to 2.0 ghz processor, any advise pls.
Powerbook Medic
2 years ago
@David - if you are having issues with your display, it is most likely your video card.
David
2 years ago
no display
Johanas65
3 years ago
The Power Mac G5 (A1177) video guide had flawless playback, was well directed, had precise & clear spoken audio & one of the bestest (McGruber driving car on coast scene) type soundtracks I've ever been forced to sit through. It took almost all of the anxiety out of the task; the board failing gave me. So many thanks to all your staff!
edc
3 years ago
what a piece of shit. They shoud make the power supply more accessible.
Disappointed User
3 years ago
This video doesn't show how to remove the power button at all, it shows removing the front panel board. Usless
AlexO
3 years ago
@bsm00th Ah! So that is what those extra ground wires for! I thought I was missing some other part(s)! Still looking for a power supply and a Torx screwdriver to get the CPU out! That is really a chore! Great site..LOVE IT! Thanks!
Powerbook Medic
3 years ago
@Bob - it sounds like you are referring to the heat sink covers. These just slide sideways and pop out. it takes a little bit of force but not too much.
Robert B Watson
3 years ago
SN G84321R1QPR. I have an Apple Power Mac. The aluminum tower case. All appears to work well. I have been looking in the case and from your videos I see no processor cover like mine. The cover is divided into 2 areas. Each area says G5 on it which I resume means Dual Processor which I have been led to believe mine is. So how do I remove the "processor case"? Thanks Bob AZ
bsm00th
3 years ago
Very helpful videos for reassembling a G5, thank you. I have the extra ground wire as well but I’m guessing it’s for an additional processor (aftermarket PS). Showing the screws as you removed them was great.
Powerbook Medic
4 years ago
@AlexO - We sell hard drives on our site if that is all that is missing. Any other part we typically can special order by going to the Request a Part link in the support section.
Powerbook Medic
4 years ago
@Carlos - Which video segment are you referring to? The 2nd segment shows how to remove the G5 cover.
AlexO
4 years ago
Great videos. In my case I seem to have two(2)ground wires..I have inherit a G5 just recently and it seems that some parts were taken (HD's) but everything else seems to be there (even 6GB of RAM!!).I'm trying to fix it and get it running as a server/media server...any help on that? Love this site!! very detailed info, for a non-mac user..will be soon though...
Carlos
4 years ago
The video starts once the "G5" casing for the processors has been removed. Please can you let us know how this is removed as mine seems "Fixed" I believe there is a rivet on the top left holding it in place? please advise! Thanks in advance
Powerbook Medic
4 years ago
@johnny - is there a specific part of the video you feel is missing? We generally don't want people to sit through half an hour of removing screws.
johnny
4 years ago
i also just want to mention that it is good to have technical support of these types of computers.
johnny
4 years ago
some of the videos seem short as far as not fully seeing the actual process of the work thats being done. either it starts late or ends early as the troubleshooting or technical service is being recorded. at least in my opinion i feel it needs to be extended or elaborated to fully understand and grasp the process of the work thats being done.
arressbee@yahoo.co.uk
4 years ago
Hello, is it possible to fit dual 2.0 Ghz processors to a dual 1-8 Ghz board?
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