Undetermined Problems (2625)



Undetermined Problems

You are here because the diagnostic tests did not identify which adapter or device failed, installed devices are incorrect, a short circuit is suspected, or the system is inoperative. Follow the procedures below to isolate the failing FRU (do not isolate non-defective FRUs).

Verify that all attached devices are supported by the computers.

Verify that the power supply being used at the time of the failure is operating correctly. (See 'Power Systems Checkout').
  1.  Power-off the computer.
  2.  Check the cables, wires, and connectors for  short circuits and open circuits. Visually check them for damage.  If any problems are found, replace the FRU.
  3.  Remove or disconnect all of the following devices.

    1.  Non-IBM devices
    2.  Devices attached to external connectors
    3.  Printer, mouse, and other external devices
    4.  Battery pack
    5.  Hard disk drive
    6.  Diskette drive or the device attached to the diskette drive  connector
    7.  DIMM card
    8.  CD-ROM
    9.  Sound card
    10.  Port replicator
    11.  Keyboard
    12.  Keyboard card

      NOTE:   Remember that removing the hard disk drive,  or any adapter or device, might cause configuration errors.  Ignore error code 174.

  4.  Power-on the computer.
  5.  Determine if the problem has changed.
  6.  If the problem does not occur again,  reconnect the removed devices one  at a time until you find the failing FRU.
  7.  If the problem remains, replace the following FRUs one at a time.  Do not replace a non-defective FRU.

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