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Power Mac G5 logic board failure?

#197 User is offline   notjaded Icon

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Posted 02 November 2008 - 06:00 PM

The guys at the genius bar said either or and said $750 for the cpu and IF its the processors it would be another $650 which is retarded when you can get a refurb for around $700. Mac mini would not cut it for me for a production machine.
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#198 User is offline   Droid Icon

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Posted 02 November 2008 - 06:21 PM

There is another similar thread on the Apple discussions http://discussions.a...ssageID=8391812
It may eventually get noticed by Apple, but I doubt it somehow.

peterflat, have you managed to boot from the OS disks, or Apple Hardware test? It would eliminate the main HD & the OS on it.

If you have PCI/AGP cards that have died it could be due to PSU issues like VladimirPain and I seem to have had. (see this post http://forums.macwor...e/669802#669802 )

Out of interest do you use a UPS?
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#199 User is offline   peterflat Icon

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Posted 02 November 2008 - 07:33 PM

at this point my g5 will boot up maybe 2 out of 5 times without just getting stuck on the blue screen... i haven't been able to run the hardware diagnostic because I can't find my cursed disks... thanks for not putting that online apple. that would be helpful.

interestingly when i took it to tekserve it took them a while to actually get my machine to boot from another os. but they did have success. it was an agp video card that died both times, and no i haven't been running on a ups... oddly enough when I would turn another electronic component on or off that was connected to the same power strip as my g5 it would occasionally wake from sleep, like i had clicked the mouse or something.

thanks for the link, i'll check out the other thread.
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#200 User is offline   shawend Icon

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Posted 03 November 2008 - 04:28 AM

A number of people have commented on running their computer without a UPS. While I personally think that is a bad idea I can understand it since they can be costly. Also, I have never been to an electronics or computer store where the sales people did a good job of explaining why you would want one of these devices. This seems to be especially true of my local Apple store. But that is another story.
My G5 has spent its entire life connected to an APC Smart UPS and my building has a power conditioner on the mains. Even with all of this I have the doorstop version of the G5 now. So those of you thinking that if I had just run a UPS my G5 would still be among the living, stop. It may have helped but in all likelihood it would have just delayed the inevitable.
As an aside, my old Beige G3 desktop has been relegated to just a power strip and it is still ticking.

Shawen
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#201 User is offline   Droid Icon

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Posted 03 November 2008 - 05:19 AM

Good point Shawend,

but I suspect the inside of your PSU doesn't have heat damage like mine does & VladimirPain's does?
(see linked images in this post http://forums.macwor.../674793#674793)

I was starting to think that irregular power surges, brownouts or spikes may cause the the fans to go to full blast while sleeping. Perhaps the voltage change just affects the logic board or processors & then the fans go mad to compensate. My G5 died during the last one of these sleep events. Maybe the mains voltage has no effect on this issue, but without a UPS we can't tell.

UPS's were a long shot, but I still think there is value in using them to protect equipment, I just don't trust my supply, since my 2001 G4 has similar PSU scorching & also had one PSU die completely.
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#202 User is offline   keysmank Icon

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Posted 03 November 2008 - 06:57 AM

Spread the truth!

A major Apple reseller told me that since the G4
Macs G5's have been made in China instead of California,
and they have seen a major increase in problems since then and highly recommends 3yr. Applecare.

In light of this forum and others I believe him. Also considering people are digging out their G3's for ebay sales and they work without problems leads credence to the quality issue of China made Macs.

Buy an old California Mac or go back to PC..great choice.
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#203 User is offline   shawend Icon

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Posted 03 November 2008 - 07:24 AM

So our choices are G4 or older Mac or PC? Some choice! I feel bad buying PCs since I view them as disposable. When they break you dispose of them and get another one. I used to view my Macs as friends. I have had them forever and I feel bad when I give them away or sell them. I would hate to have to view the Macs as disposable since up until my G5 every Mc I have ever had is still running. I am writing this on my old Color Classic that while slow runs flawlessly to this day. Anyway, at least I will not have to give up OS X because I would not like to have to depend on Windows. If it came down to that I think I would just skip the computer all together.

Shawen
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#204 User is offline   Droid Icon

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Posted 03 November 2008 - 07:41 AM

Color classic, does that even have an ethernet connection & does Mac OS 7.6 have a web browser?

My G5 was assembled in Cork Ireland, & is dead. Perhaps there were issues with the parts, but there is no way I can go back to anything pre-G4. For me it's more logical to get a Mac Mini & contemplate it lasting for a year, it still works out at better value, excluding the extra time to wait for it to finish tasks.
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#205 User is offline   mccool60 Icon

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Posted 03 November 2008 - 08:01 AM

peterflat said:

my main symptom is the blue screen hang post grey apple boot up screen.

G5 DP 2.0 Ghz.

I too have the same symptom. Mine will chime, boot to the blue screen with the Apple logo (Dark Grey) and freeze there until the machine actually shuts down. Fans will come up to full speed after it reaches that page. I took mine in to a Apple service center locally and they told me it was the Logic Board and at least 1 processor. Could run in cost anywhere from $1800 to $2700 ($900 for the Logic Board, $900 for each pocessor). Might as well buy an new one rather than spend that much for the repairs of this one. 4 years is a short lifespan for a Mac.

G8447
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#206 User is offline   rifraf Icon

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Posted 03 November 2008 - 08:02 AM

I'm sorry, but this is a damn shame. I know Apple was trying to stay competitive and shore up production - but to outsource at the cost of build quality is horrible. Implications for not having workers here aside, there seems to be a very obvious fall-off in lifespan and quality in this particular generation of G5s. Right now since I have a project to finish, and choosing between shelling a couple grand for a Mac made in china and probably at least a grand less on a PC - sadly I'm going to get a PC until Apple gets their shiz together. 3 years ago looking at my beautiful tower I never would have thought I'd be typing this...but err, yea I'm kinda sour on Macs right now.


Raf
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#207 User is offline   shawend Icon

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Posted 03 November 2008 - 09:32 AM

The Color Cassic did not come with an ethernet connection from Apple. I have an Asante Ethernet card in the expansion slot which gives me a 10Mb/sec ethernet connection. That coupled with a copy of Netscape Navigator that runs on System 7 and I am in business. It is a cute little unit and I could never bring myself to let it go.

I have thought of getting another Color Classic or maybe an SE/30 case. Strip the guts and install mac mini guts with an LCD display and create an interesting little unit.

Shawen
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#208 User is online   dasgeek Icon

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Posted 03 November 2008 - 10:09 AM

My PowerMac G5 Dual 2.0 GHz died last August. When you press the power button you get a light on the LED and a click.

S/N RM419XXXXX

I have not had this kind of experience with an Apple product before. This is sold as a "Pro" product. It should not catastrophically fail at 3.5 years.
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#209 User is offline   shawend Icon

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Posted 03 November 2008 - 10:14 AM

Try not to take this the wrong way. However, I think with the G5 you need to re-think what you call a catastrophic failure since the unit did not physically burst into flames. As others have done.

Shawen #G8444CD....
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#210 User is offline   Droid Icon

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Posted 03 November 2008 - 10:29 AM

Flames would be more of an 'apocalyptic' failure. Catastrophic fits in these cases IMO because they won't boot, run in an unstable manner or are otherwise unusable after a sudden unknown event.

Seems pretty catastrophic to me. The first line of Wikipedia fits this thinking too, if you trust Wikipedia :)
http://en.wikipedia....trophic_failure
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