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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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This G5 Powers on, but NO Chime, Nothing other than the Fans turn on

My G5 powers on, but does nothing other than run the fans - MOST of the time !

Every 10 - 15th try to turn it on, it WILL Activate and perform as designed ! - Monitor lights up, I log onto my account, ALL Programs work as designed…

However, IF I put it to sleep, OR Shut it down, it goes right back to NOT Activating again…just the fans activating…

PLEASE help !

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First try zapping the PRAM.

How do you zap the PRAM?

  1. Boot the computer and immediately hold down the following key combinations: COMMAND-OPTION-P-R.
  2. The computer will re-boot and you will hear a chime.
  3. Release the keys and allow the computer to boot normally.
  4. The PRAM has now been zapped.
  5. I usually do this three times.

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Billy Skabatowich will be eternally grateful.
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