G-5 iMac problem

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clw - 09 Mar 2005 16:20 GMT

Interesting series in MacFixit currently.

Seems that during sleep the power supply is overheating and burning.

Cure seems to be replacing both the PS and the mother-board assembly
(called the "mid-plane").

Having had many problems with sleep, including the prodromal symptoms
seen with this burning problem of high speed fan activity plus (in my
case) kernal panics, I have quit using sleep.

I think the sleep process is one Apple needs to improve upon or drop it
from the OS X.

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Neill Massello - 10 Mar 2005 09:12 GMT

> Having had many problems with sleep, including the prodromal symptoms
> seen with this burning problem of high speed fan activity plus (in my
> case) kernal panics, I have quit using sleep.
>
> I think the sleep process is one Apple needs to improve upon or drop it
> from the OS X.

Apple needs to fix problems with new models, such as your iMac G5. Sleep
works pretty well on most Macs, with most of the problems traceable to
third-party hardware, especially expansion cards and USB peripherals. I
used sleep regularly on a PowerMac G4 for four years and have been using
it on a PowerMac G5 for about seven weeks with no problems. I do log out
before putting my Macs to sleep.

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Mac Forum / General / Hardware / March 2005

G-5 iMac problem