Lenovo ThinkPad 770X Hardware Maintenance Manual for 770 series notebooks(Janu - Page 36

Checkout Guide, Symptoms Verified, Go To, No Beep, Symptoms, Numeric Error, Codes - ibm error codes

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CHECKOUT GUIDE 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 "Running the Diagnostics" on page 40. 3. Use the following table with the verified symptom to determine which page to go to. Search the "Symptoms (Verified)" 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. Go To "Power Systems Checkout" on page 36. "Symptom-to-FRU Index" section, and then use the No Beep Symptoms table. "Symptom-to-FRU Index" section, and then use the Beep Symptoms table. "Symptom-to-FRU Index" section, and then use the Numeric Error Codes table. "FRU Codes" on page 44. "Checking the Installed Devices List" on page 43. 30

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CHECKOUT GUIDE
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 “Running the
Diagnostics” on page
40.
3.
Use the following table with the verified symptom to
determine which page to go to.
Search the
“Symptoms (Verified)” 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
36.
POST does not
complete.
No beep or
error codes are
indicated.
“Symptom-to-FRU
Index” section, and then
use the
No Beep
Symptoms
table.
POST beeps, but no
error codes are
displayed.
“Symptom-to-FRU
Index” section, and then
use the
Beep
Symptoms
table.
POST detected an error
and displayed numeric
error codes.
“Symptom-to-FRU
Index” section, and then
use the
Numeric Error
Codes
table.
The diagnostic test
detected an error and
displayed a FRU code.
“FRU Codes” on
page 44.
The configuration is not
the same as the
installed devices.
“Checking the Installed
Devices List” on
page 43.
30