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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push start button light go's white then go's off

i thought that it was the power supply so installed a refurbsed one an did the same thing. were should i look next. nothing on the moniter almost like its still not geting power.

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Please let us know what you tried and the results.

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RESEATED VIDEO, shut mac down unplug for 15 sec.. tryed again same results. i'll ck to see if the logi boards getn enough voltage

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Here is a link to the Apple troubleshooting light meanings. If this does not help you need to find a copy of the AHT disk for your computer and try to run the diagnostic test. Are you hearing any sound--seeing any lights?

http://support.apple.com/kb/HT2652

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when i plug mac in i hear a type of click sound toward the plug end.when i hit on button sounds like its gona boot but dosn't. the fans start button lite gos on then off. if i let it pluged in the fans sound like they want to fly???

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This is from official Apple sources

1. Reseat the video card

2. Reset the logic board ( shut down, unplug, wait 15 seconds, plug back in

3, Verify that the power cables are fully connected

4. Check for trickle voltage (see next for instructions on this and a host of other diagnostics (I just found this and it's great)

http://discussions.apple.com/thread.jspa...

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Excellent chart. +

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Yes, I thought that was great. I was actually looking for the LED codes from your answer when I found it.

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