Symptom-to-FRU Index (TP-770 - 9548/49)
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 did 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 to have available
when servicing a computer.
Numeric error codes show the errors detected in POST or
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'.
For IBM device not supported by the diagnostic codes in
this ThinkPad notebook computers, see the manual for that device.
Please see the LEGAL - Trademark notice.
Feel free - send a for any BUG on this page found - Thank you.