Undetermined Problems (2523)

Undetermined Problems
  1.  Power-off the computer.
  2.  Remove or disconnect one of the following devices:

  3.  Power-on computer power and run diagnostic tests.
  4.  If the symptom remains, repeat steps 1, 2, and 3 until you find  the failing adapter or device.
  5.  If all devices are disconnected and the symptom remains,  go to 'Power Systems Checkout'. If this does not solve the  problem, replace the system board.
  6.  If an intermittent problem remains after replacement of the  FRUs, consider external electrical noise that can have an  effect on the computer. Check that the EMC contacts on the  system board are not broken. The contacts are fragile and  can be easily damaged.

Please see the LEGAL  -  Trademark notice.
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