Diagnostic Tools Overview; Power-On Self-Test; Post Beep Codes; Post Error Messages - IBM IntelliStation A Pro 6224 Hardware Maintenance Manual And Troubleshooting Manual

Diagnostic tools overview

The following tools are available to help you diagnose and solve hardware-related
problems:
v POST beep codes and error messages
v Error charts
v Diagnostic programs
v Symptom-to-FRU index

Power-on self-test

When you turn on the computer, the power-on self-test (POST) performs a series of
tests to check the operation of system components and some of the installed
options.
Notes:
1. If you have a user password set, you must type the password and press Enter,
2. A single problem might cause several error messages. When this occurs, work

POST beep codes

POST generates beep codes to indicate successful completion or the detection of a
problem.
v One short beep indicates the successful completion of POST.
v More than one beep indicates that POST detected a problem. For more

POST error messages

POST error messages can appear when a problem is detected during startup. For a
complete list of POST messages, see "POST error codes" on page 86.

Error charts

Use the error charts to find solutions to problems that have definite symptoms (see
"Error symptoms" on page 92).
The power-on self-test (POST) generates beep codes and messages to indicate
successful test completion or the detection of a problem. See "Power-on self-test"
for more information.
These charts list problem symptoms and steps to correct the problem. See "Error
charts" for more information.
The diagnostic programs are stored on a hidden partition on the computer hard
disk. These programs are the primary method of testing the major components of
the computer. See "Diagnostic programs and error messages" on page 12 for
more information.
This index lists problem symptoms and steps to correct each problem. See
Chapter 6, "Symptom-to-FRU index," on page 83 for more information.
when prompted, before the operating system will start.
to correct the cause of the first error message. After you correct the cause of
the first error message, the other error messages usually will be resolved the
next time you run the test.
information, see "Beep symptoms" on page 84.
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Chapter 3. Diagnostics