2005-2006 Power Mac G5 (Late 2005) – PSU failure

Applies to:

  • Power Mac G5 (Late 2005)

Component affected:

  • Power supplies that meet the following criteria:
    – 1000 Watt AcBell listed on the power supply label
    – A computer serial number that falls in one of the following ranges:
    CK539xxxxxx – CK608xxxxxx
    G8539xxxxxx – G8608xxxxxx
    YM539xxxxxx – YM608xxxxxx
    RM539xxxxxx – RM608xxxxxx


  • No power when the power button is pressed.
  • No LED activity.

Apple Repair program:
Apple mentioned this repair program as part of the repair guide for Apple technician use and service providers. The program covered computers for up to two years from the original date of purchase.

The Issue:
No details were mentioned by Apple as what caused the failure.

The Fix:
At the time, returning the G5 to Apple or an Apple service provider would have a new power supply installed.

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