Chapter 6. Solving Problems; Diagnostic Tools Overview - IBM LS21 - BladeCenter - 7971 Installation And User Manual

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Chapter 6. Solving problems

This chapter provides basic information about the diagnostic tools that are available
to help you solve some common problems that might occur while you are setting up
the blade server.
If you install the blade server in the BladeCenter unit and the blade server does not
start, perform the following actions:
v Make sure that the BladeCenter unit is correctly connected to a power source.
v Reseat the blade server in the BladeCenter unit (see "Installing the blade server
v If the power-on LED is flashing slowly, turn on the blade server (see "Turning on
v If you have just added a new optional device or component, make sure that it is
If the blade server does not start after you have performed the preceding actions,
see the Problem Determination and Service Guide on the BladeCenter
Documentation CD.

Diagnostic tools overview

The following tools are available to help you diagnose and solve hardware-related
problems:
v POST beep codes
v POST error codes
v ServerGuide problems
v Troubleshooting tables
© Copyright IBM Corp. 2006
in a BladeCenter unit" on page 40).
the blade server" on page 13).
correctly installed and compatible with the blade server and its components. If
the device or component is not compatible, remove it from the blade server,
reinstall the blade server in the BladeCenter unit, and then restart the blade
server.
The power-on self-test beep codes can indicate the detection of a problem.
– One beep indicates successful completion of POST
– Repeating long beeps indicate a memory error. Make sure that all DIMMs are
correctly installed.
– Additional beep codes are listed under "Diagnostics" in the Problem
Determination and Service Guide for your blade server type.
The POST error codes indicate the detection of a problem. See the Problem
Determination and Service Guide for more information.
The table in "ServerGuide problems" on page 56 lists problem symptoms and
steps to correct the problems.
Use the troubleshooting tables to find solutions to problems that have identifiable
symptoms. These tables are in the Problem Determination and Service Guide for
your blade server.
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