Can some one explain why the logic boards are failing in brand new iMacs
today. When looking for the upgrade to my G3  a few months back I was going
to buy a second hand G5 from ebay. There were heaps of iMacs out there going
for cheap ($50-$150) with this problem. Why? I've been put off gutting a G5
now... Very happy with my G4 however.

Regards

Warwick Gaff


On 7/6/09 5:23 PM, "Mike Murray" <mdmur...@bigpond.net.au> wrote:

> Hi muggers
> 
> Just to bring you up to date on my recent plea for help; my G5 iMac
> has been diagnosed with a logic board failure = a new imac. Gulp. So
> now we have a new 20 inch aluminium iMac.
> 
> That's the second G5 iMac we've totalled in less than a year. I'm an
> avid fan of things Mac but this seems to be taking built in
> obsolescence too far. Both machines were about 3 1/2 years old, both
> cooked the logic boards.
> 
> Only symptom...fans starting to fire up randomly; on reflection some
> components were obviously overheating.
> 
> Moral of the story; backup every day and expect failure if you're
> still running a G5 iMac.
> 
> Has anyone had success in pleading a case with Apple for some
> compensation?
> 
> Mournfully,
> Mike
> 
> Previous email...
>> Our sole remaining G5 iMac in the fleet has decided to play up.
>> 
>> This morning when trying to wake it up as normal the screen remained
>> black and the fans started to roar. Held the off switch down for 5
>> seconds and it shut down. left it for a while, unplugged everything,
>> switched it on. The light came on, very slightly pulsing, but no
>> chime. Dark screen. After about a minute the fans came on again, so
>> shut it down again. Repeated the process a couple of times.
>> 
>> Thinking there may be a dust build up inside I tried to get the back
>> off, loosened the three screws, but couldn't get the back
>> off...seems very tight and I didn't want to wriggle it too much.
>> 
>> Opinions sought. Is there an easy solution that I'm overlooking?
>> 
>> Cheers
>> Mike
> 
> 
> Mike Murray and Lesley Silvester
> TimeTrackers
> East Fremantle
> Western Australia
> 
> Tel 08 9339 8078
> Fax 08 9339 0519
> 
> British and Australian genealogical and historical research,
> education, publishing and film-making
> 
> www.timetrackers.com.au
> 
> 
> 
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