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G5 imac sleeping problem and loud fans

Apple deserves some huge props. I took my g5 imac into the Apple Store Oak Brook to get fixed Thursday afternoon and the computer was fixed EOD Friday! On Thursday they told me it would take 7-10 days for me to get my computer back. I was pretty happy with that turnaround but a one day turnaround was incredibly impressive considering they were going to replace potentially up to four different parts. They wound up replacing two parts: the logic board ($732.81) and the power supply ($85.94) tagged with level 2 repair costs ($135.00). My extended warranty covered it all.

I’ve done my fair share of office tech duties and I have seen other manufactures take 7-10 days to look at a machine, then another two weeks to get the parts and another 7-10 days to install the new parts.

for the tech heads:
G5 IMAC SLEEPING PROBLEM
My G5 iMac would fall asleep after about 15 minutes of use. After about 7 minutes following the bootup, the fans would get very loud. The loud imac fans were just about as loud as a window air conditioner. It was unbearable. Then in the next few minutes the iMac would just fall asleep on its own. It didn’t matter what i was doing. The machine would fall asleep on its own even if i wasn’t doing anything on the computer. Then I would try waking it up and i would get about another 2 minutes of work out of it until it would fall asleep on its own again. Then if i tried waking it up again, it would not want to wake up. A force-shut down was necessary.

I did all the common troubleshooting steps. (I’ll detail everything in the comments section if you’re experience the same problem with your G5 iMac.) At one point I completely reformatted the hard drive. Apple phone support had me reset the PMU and move a bunch of preferences. They eventually told me my imac needed one or more of the following replaced: thermal sensor, fans, power supply, inverter.

The interesting thing is that the new logic board is now a different color. It is blue. Previously it was green. I wish i took a before and after picture. Actually, I was able to track down what my imac looked like before the fix and after. See how the “before” has a green logic board and the “after” has a blue logic board.

So if you have a narcoleptic iMac G5, hope you still it covered under the warranty or under AppleCare, cuz it’ll cost $953.75 to fix!

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Erik MaldreChris KbenErik MaldreLaura K. Recent comment authors

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Laura K.
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Laura K.

when my powerbook died last year, i took it to the Apple Store for a diagnosis and repair. turns out my hard drive had corrupted itself. this was covered under my warranty. but i asked them to try and pull my data off the hard drive [i had no backup – slap my wrist!], so they had to charge me for the attempt. that cost me $99, which is actually the cost of a ProCare membership. this just means that now i am able to get special VIP treatment with my Apple needs. ultimately, they were not able to save… Read more »

Laura K.
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Laura K.

the cost of having them try to retrieve my data [not covered under the AppleCare warranty] was going to be more than the cost of a ProCare membership. i give them credit for alerting me to this. with the ProCare membership, they tried to retrieve my data for free, plus i get the other benefits of membership.

Laura K.
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Laura K.

i’m glad they were able to bring your iMac out of its coma!

ben
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rite on, my imac has an isight i duno wat that is or whether it is a new version of g5, it hasn’t done the sleep thing yet, but…if it doesn’t work my IT teacher (uni) told me to re install os x tiger. and all games over a month period, and get 2x 512mb ram.

Chris K
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Chris K

So let’s see, they were going to charge you about $1,000 to fix an outdated computer that failed due to parts that were known to fail. However, they fixed it for free after you paid them $100 per year to own your computer – for what, about 5 years? This is of course after you paid 2.5 – 3 times the cost of a PC computer. Then you got to buy special MAC software at twice to four times the cost of PC software. So, for roughly $2,400 you have a computer that is working again, as its known failed/problem… Read more »

Chris K
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Chris K

Oh, another thing you should be aware of now they fixed your computer. Story is that they fixed it with the same make of parts that failed in the first place. This means that the PSU and motherboard will all have to be replaced again. Word is that the time frame for the new parts to fail ranges from a few months up to about 18 months – so keep paying for that Applecare! The caps failed, the caps were never built properly. The replacement caps are reportedly the same failing caps, but they are now a couple years old.… Read more »

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[…] tend to have problems. I know this first hand. I bought a first generation iMac G5 and it had some serious problems. The OS had nothing to do with it. The hardware was faulty. It was first generation. The first […]