Lenovo TD100 User Manual download pdf (Page 165)

Chapter 5. Diagnostics

This chapter describes the diagnostic tools that are available to help you solve

problems that might occur in the server.

If you cannot locate and correct the problem using the information in this chapter,

see “Getting help and technical assistance” on page 217 for more information.

Diagnostic tools

The following tools are available to help you diagnose and solve hardware-related

problems:

v POST beep codes, error messages, and error logs

The power-on self-test (POST) generates beep codes and messages to indicate

successful test completion or the detection of a problem. See “POST” for more

information.

v Troubleshooting tables

These tables list problem symptoms and actions to correct the problems. See

“Troubleshooting tables” on page 172.

v Server LEDs

Use the LEDs on the server to diagnose system errors quickly. See “Error LEDs”

on page 186 for more information.

v Diagnostic programs, messages, and error messages

The diagnostic programs are the primary method of testing the major

components of the server. The diagnostic programs are on the Diagnostics CD

that comes with the server. See “Diagnostic programs, messages, and error

codes” on page 189 for more information.

POST

When you turn on the server, it performs a series of tests to check the operation of

the server components and some optional devices in the server. This series of tests

is called the power-on self-test, or POST.

If a power-on password is set, you must type the password and press Enter, when

prompted, for POST to run.

If POST is completed without detecting any problems, a single beep sounds, and

the server startup is completed.

If POST detects a problem, more than one beep might sound, or an error message

is displayed. See “POST beep codes” on page 148 and “POST error codes” on

page 155 for more information.

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Lenovo TD100 User Manual Page 165