IBM 6648 User Guide - Page 84

Troubleshooting procedure, Yes - continue at step 4. - diagnostics

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Troubleshooting procedure Use this procedure as a starting point for problem identification. 1. To begin troubleshooting, perform the following steps: a. Remove all diskettes and CDs from the drives. b. Turn off the computer and wait for a few seconds. c. Turn on any attached devices; then, turn on the computer. d. Wait the normal amount of time for the first window of your application or the operating system to be displayed. Is either the Windows desktop or the first screen of your application program displayed? No - continue at step 2. Yes - The power-on self-test (POST) did not detect a problem. Further diagnostic testing is required. Go to "IBM Enhanced Diagnostics program" on page 92 and run the diagnostic programs. If you are unable to run the diagnostic programs or if the diagnostic programs do not detect an error, go to "Device troubleshooting charts" on page 78. 2. You have an unreadable display, an error message, or the computer is sounding a series of beeps. Is an error message displayed? No - continue at step 3. Yes - See "POST error codes" on page 72 and look for the error message; then, return here. Is the error message in this table? No - the message might be from your software. Refer to documentation for your application program. Yes - continue at step 4. 3. Do you hear a series of beeps? No - Go to "Device troubleshooting charts" on page 78. Find the symptom that best describes the problem and take the appropriate action. If the problem persists, have the computer serviced. Yes - Go to "POST beep codes" on page 75. 4. Did the Configuration/Setup Utility program start automatically after the error message was displayed? No - Follow the action for this error message described in "POST error codes" on page 72. Yes - continue to step 5. 5. Have you recently added, removed, or changed any hardware? 70 User Guide

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Troubleshooting procedure
Use this procedure as a starting point for problem identification.
1.
To begin troubleshooting, perform the following steps:
a.
Remove all diskettes and CDs from the drives.
b.
Turn off the computer and wait for a few seconds.
c.
Turn on any attached devices; then, turn on the computer.
d.
Wait the normal amount of time for the first window of your
application or the operating system to be displayed.
Is either the Windows desktop or the first screen of your application
program displayed?
No - continue at step 2.
Yes - The power-on self-test (POST) did not detect a problem. Further
diagnostic testing is required. Go to “IBM Enhanced Diagnostics program”
on page 92 and run the diagnostic programs. If you are unable to run the
diagnostic programs or if the diagnostic programs do not detect an error,
go to “Device troubleshooting charts” on page 78.
2.
You have an unreadable display, an error message, or the computer is
sounding a series of beeps.
Is an error message displayed?
No - continue at step 3.
Yes - See “POST error codes” on page 72 and look for the error message;
then, return here.
Is the error message in this table?
No - the message might be from your software. Refer to documentation for
your application program.
Yes - continue at step 4.
3.
Do you hear a series of beeps?
No - Go to “Device troubleshooting charts” on page 78. Find the symptom
that best describes the problem and take the appropriate action. If the
problem persists, have the computer serviced.
Yes - Go to “POST beep codes” on page 75.
4.
Did the Configuration/Setup Utility program start automatically after the
error message was displayed?
No - Follow the action for this error message described in “POST error
codes” on page 72.
Yes - continue to step 5.
5.
Have you recently added, removed, or changed any hardware?
70
User Guide