Lenovo ThinkPad 560E ThinkPad 560X Hardware Maintenance Manual (Oct 1997) - Page 36

Checkout Guide, Symptoms Verified, Go To, No Beep, Symptoms, Numeric, Error Codes, Other

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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. 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. (To run the diagnostics, refer to "Running the Diagnostics" on page 47. 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) Power failure. (The power indicator does not go on or stay on.) POST does not complete. No beep or error codes are indicated. 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. The configuration is not the same as the installed devices. Other symptoms (such as LCD display problems). Symptoms cannot be re-created. (Intermittent problems.) Go To "Power Systems Checkout" on page 30. "Symptom-to-FRU Index" on page 36, and then use the No Beep Symptoms table. "Symptom-to-FRU Index" on page 36, and then use the Beep Symptoms table. "Symptom-to-FRU Index" on page 36, and then use the Numeric Error Codes table. "Running the Diagnostics" on page 47. "Checking the Installed Devices List" on page 49. "Symptom-to-FRU Index" on page 36, and then use the Other Symptoms table. Use the customer reported symptoms and go to "Symptom-to-FRU Index" on page 36. 26 IBM ThinkPad 560X (2640-60x, 70x) HMM

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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.
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.
(To run the diagnostics, refer to
“Running the Diagnostics” on page
47.
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
30.
POST does not
complete.
No beep or
error codes are
indicated.
“Symptom-to-FRU
Index” on page
36, and
then use the
No Beep
Symptoms
table.
POST beeps, but no
error codes are
displayed.
“Symptom-to-FRU
Index” on page
36, and
then use the
Beep
Symptoms
table.
POST detected an error
and displayed numeric
error codes.
“Symptom-to-FRU
Index” on page
36, and
then use the
Numeric
Error Codes
table.
The diagnostic test
detected an error and
displayed a FRU code.
“Running the
Diagnostics” on
page 47.
The configuration is not
the same as the
installed devices.
“Checking the Installed
Devices List” on
page 49.
Other symptoms (such
as LCD display
problems).
“Symptom-to-FRU
Index” on page
36, and
then use the
Other
Symptoms
table.
Symptoms cannot be
re-created. (Intermittent
problems.)
Use the customer
reported symptoms and
go to “Symptom-to-FRU
Index” on page
36.
26
IBM ThinkPad 560X (2640-60x, 70x) HMM