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Chapter 5. Solving problems
This chapter provides basic troubleshooting information to help you resolve some
common problems that might occur while you are setting up your server.
If you cannot locate and correct the problem using the information in this chapter,
see Appendix A, "Getting help and technical assistance," on page 53, the Hardware
Maintenance Manual and Troubleshooting Guide, and the "Server Support"
flowchart in the front of this book.
Diagnostic tools overview
The following tools are available to help you diagnose and solve hardware-related
problems:
v POST beep codes
v Troubleshooting charts
v Diagnostic programs and error messages
POST beep code descriptions
POST emits one beep to signal successful completion. If POST detects a problem
during startup, other beep codes might occur. Use the following beep code
descriptions to help identify and solve problems that are detected during startup.
Note: See the Hardware Maintenance Manual and Troubleshooting Guide for more
One beep
Repeating long beeps
One long beep and two short beeps
© Copyright IBM Corp. 2005
The power-on self-test beep codes indicate the detection of a problem.
– One beep indicates successful completion of POST, with no errors.
– More than one beep indicates that POST detected a problem. Error messages
also appear during startup if POST detects a hardware-configuration problem.
See "POST beep code descriptions" and the Hardware Maintenance Manual
and Troubleshooting Guide for more information.
These charts list problem symptoms and steps to correct the problems. See
"Troubleshooting charts" on page 47 for more information.
The server-diagnostic programs are provided on the IBM Enhanced Diagnostics
CD that comes with your server. These programs test the major components of
your server. See the Hardware Maintenance Manual and Troubleshooting Guide
for more information.
information about the POST beep codes.
POST was completed successfully.
A memory error has occurred. Make sure that all DIMMs are correctly
installed.
A video error has occurred, and the BIOS code cannot initialize the monitor
screen to display additional information.
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