Hardware vs Software problems upgrading
Hi.
Can anyone give me a clue of idea?
My "problem" is:
I have a
iMac 27"
Sales Number(s): MC814LL/A
Processor: 3.1GHz Core i5 (Quad-core 2400)
Serial #: DG******HJQ
Model #: A1312
witch I buy 15.08.2011
23 months later the iMac started slowdown dramaticly, repair concluded it was failure with Hard-disk, logicboard, videoboard and RAM, 4 components that had a failure.
They changed everyting.
I got the iMac back, without software installed, but It was not possible to install, delivered iMac back, got it back and installed original software form the DVD OS 10.6.6 no problem...
I updated to OS 10.8.4 the 24. august 2012 (a year before the failure showed up), but now, after service changed all this 4 components I can't update to OS 10.8.4.
I have formated and installed original softwere and update several times before the repair, but now it is impossible. Service can help update, but they can not guaranti that it will solve the problem for futured reformate and update again.
Can anyone, answer me or give me a idea about WHY? Can it be some hardware issues?
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iMac, Mac OS X (10.6.6)