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The PowerMac G5 is a desktop computer first produced in 2003 by the Apple Corporation. This guide will review the repair process of an Apple PowerMac G5 model number A1047 EMC 2061 from 2004. It was discontinued in 2006 as part of the Intel switch first to developers then consumers.

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Start-up light blinks twice, and computer doesn't turn on.

Computer worked fine until one day upon turning it on the start-up light blinks twice, with a pause then blinks twice again. It repeats this loop with nothing coming to the display. If this is simply a hard drive issue that would be great as I am worried it is a bigger problem. Any information would be much appreciated. Thank you in advanced.

A. Jay

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The 2 beeps = Incompatible RAM type installed (for example, EDO) according to Apple.

I would re-seat the RAM and remove any added RAM. Also check that they are in the correct slots and a matched pair. Bad RAM gives three blinks.

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I found it works 90% if you use DDR 3200 Ram.

BTW thanks Mayer!

--Nic

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AJ Cohen will be eternally grateful.
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