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Checkout Guide
Use the following procedure as a guide for computer
problems.
Note: The diagnostic tests are intended to test only IBM
products. Non-IBM products, prototype cards, or
modified options can give false errors and invalid
system responses.
1. Obtain the failing symptoms in as much detail as
possible.
2. Verify the symptoms by attempting to re-create the
failure by running the diagnostic test or by repeating
the same operation.
Note: To run the diagnostics, refer to “How to Run
the Diagnostics” on page 212.
3. Use the following table with the verified symptom to
determine which page to go to. Search the
symptoms column and find the description that best
matches your symptom; then go to the page shown in
the “Go to” column.
Symptoms (Verified) Go to
Power failure. (The
power indicator does not
go on or stay on.)
“Power Systems
Checkout” on page 193.
POST does not
complete. No beeps or
error codes are
displayed.
“Symptom-to-FRU
Index” on page 199,
and then use the No
Beep Symptoms table.
POST beeps, but no
error codes are
displayed.
“Symptom-to-FRU
Index” on page 199,
and then use the Beep
Symptoms table.
POST detected an error
and displayed numeric
error codes.
“Symptom-to-FRU
Index” on page 199,
and then use the
Numeric Error Codes
table.
The diagnostic test
detected an error and
displayed an FRU code.
“How to Run the
Diagnostics” on
page 212.
The configuration is not
the same as the
installed devices.
“Checking the Installed
Devices List” on
page 213.
Other symptoms (such
as LCD display
problems).
“Symptom-to-FRU
Index” on page 199,
and then use the Other
Symptoms table.
ThinkPad 380, 380D, 385, 385D (2635) 189