Symptom-to-FRU Index

  Symptom-to-FRU Index

The Symptom-to-FRU Index lists the symptoms and errors and the possible causes.
The most likely cause is listed first.

Note: Perform the FRU replacement or actions in the sequence shown in the FRU/Action columns. If a FRU does not solve the problem, put the original part back in the computer.
Do not replace a non-defective FRU.

This index can also be used to help you decide which FRUs should be available when servicing a computer.

Numeric error codes show the errors detected in POST or system operation (runtime).
In the following error codes, X can be any number.

If no codes are available, use narrative symptoms.

If the symptom, is not listed, go to 'Undetermined Problems'.

Note: For any IBM device not supported by the diagnostic codes in this ThinkPad computer, see the manual for that device.

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