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Diagnostics
Power-on Self Test (POST)
Small computer system interface messages (some
models).
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Diagnostic programs and error messages
Text messages
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Starting the diagnostic programs .
Using the Device Driver and IBM Enhanced
Diagnostics CD .
Creating an IBM Enhanced Diagnostics
diskette.
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Using the Enhanced diagnostics diskette.
Viewing the test log
Diagnostic error messages
Other diagnostic programs .
Software error messages .
System programs
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Troubleshooting the Ethernet controller .
Network connection problems .
Ethernet controller troubleshooting chart
Power-on Self Test (POST)
When you turn on the computer, it performs a series of tests to check the operation
of system components and some of the options that are installed in the computer.
This series of tests is called the power-on self-test or POST.
If POST finishes without detecting any problems, the first window of the operating
system or application program appears.
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
The possible types of beep codes are as follows:
Repeating long beeps
One long beep and two short beeps
For information about specific beep codes, see "Beep symptoms" on page 105.
© Copyright IBM Corp. 2001
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when prompted, before the operating system will load.
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 not occur the next
time you run the test.
Indicates that a memory error has occurred. Ensure that all DIMMs are
correctly installed.
Indicates that a video error has occurred and the BIOS cannot initialize the
video screen to display any additional information. Ensure that the video
adapter is correctly installed.
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Ethernet controller messages.
Novell NetWare or IntraNetWare computer
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ODI driver teaming messages .
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NDIS (Windows 2000 and XP) Event Viewer
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messages .
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Ethernet teaming messages .
Intel Boot Agent messages .
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Recovering your operating system and preinstalled
software
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Recovering or installing device drivers .
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Recovering the operating system .
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Performing a partial or full recovery .
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Using the Recovery Repair diskette .
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Using ConfigSafe and the Save Our System (SOS)
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feature .
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Erasing a lost or forgotten password (clearing
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CMOS) .
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Recovering from a POST/BIOS update failure .
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Replacing the battery .
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Chapters
Table of Contents
Troubleshooting
