Lenovo ThinkPad 380ED HMM ThinkPad 380XD,385XD (May 1998) - Page 33

Checkout Guide, Error Codes

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Checkout Guide Use the following procedure as a guide for computer problems. 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 symptoms in detail. 2. Verify the symptoms by running the diagnostic test to re-create the same error or by repeating the same operation. Note To run the diagnostic test, refer to "Running the Diagnostics" on page 49. If the symptoms occur at irregular intervals and cannot be re-created (and therefore cannot be verified), go to "Symptom-to-FRU Index" on page 38; then go to "Intermittent Problems" on page 47. 3. Match the verified symptoms with the following table and determine the page to go to. Verified Symptoms Power failure. (The power indicator does not go on or stay on.) POST does not complete. No beeps or error codes are displayed. The configuration is not the same as the installed devices. POST beeps, but no error codes are displayed. POST detected an error and displayed numeric error codes. The diagnostic test detected an error and displayed a FRU code. Other symptoms (such as LCD monitor problems). Go To "Power Systems Checkout" on page 29. "Symptom-to-FRU Index" on page 38, and then go to "No Beep Symptoms" on page 43. "Checking the Installed Devices List" on page 50. "Symptom-to-FRU Index" on page 38, and then go to "Beep Symptoms" on page 43. "Symptom-to-FRU Index" on page 38, and then go to "Numeric Error Codes" on page 38. "FRU Codes" on page 53. "Symptom-to-FRU Index" on page 38, and then go to "Other Symptoms" on page 47. IBM ThinkPad 380XD, 385XD (2635) 25

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Checkout Guide
Use the following procedure as a guide for computer
problems.
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 symptoms in detail.
2.
Verify the symptoms by running the diagnostic test to
re-create the same error or by repeating the same
operation.
Note
To run the diagnostic test, refer to “Running the
Diagnostics” on page
49.
If the symptoms occur
at irregular intervals and cannot be re-created
(and therefore cannot be verified), go to
“Symptom-to-FRU Index” on page
38; then go to
“Intermittent Problems” on page
47.
3.
Match the verified symptoms with the following table
and determine the page to go to.
Verified Symptoms
Go To
Power failure. (The
power indicator does not
go on or stay on.)
“Power Systems
Checkout” on page
29.
POST does not
complete.
No beeps or
error codes are
displayed.
“Symptom-to-FRU
Index” on page
38, and
then go to “No Beep
Symptoms” on page
43.
The configuration is not
the same as the
installed devices.
“Checking the Installed
Devices List” on
page 50.
POST beeps, but no
error codes are
displayed.
“Symptom-to-FRU
Index” on page
38, and
then go to “Beep
Symptoms” on page
43.
POST detected an error
and displayed numeric
error codes.
“Symptom-to-FRU
Index” on page
38, and
then go to “Numeric
Error Codes” on
page 38.
The diagnostic test
detected an error and
displayed a FRU code.
“FRU Codes” on
page 53.
Other symptoms (such
as LCD monitor
problems).
“Symptom-to-FRU
Index” on page
38, and
then go to “Other
Symptoms” on page
47.
IBM ThinkPad 380XD, 385XD (2635)
25