IBM 2283, Hardware Maintenance Service

Page: 70 / 213

38 IBM Desktop System HMM
004 - DO ANY MESSAGES, ERROR CODES, OR
SYMPTOMS APPEAR? (YES, READ AHEAD. NO,
GO TO STEP 005)
•
Go to “Index of Symptoms, Messages, Error
Codes, or Beeps” on page 40.
•
End.
005 -
•
If the keyboard responds incorrectly, go to
“Keyboard” on page 69.
•
If monitor problems appear, such as jittering,
shifting, or being out of focus, go to “Monitor” on
page 75.
006 - DOES THE SYSTEM CONFIGURATION
REPORT CORRECTLY IDENTIFY THE DEVICES
INSTALLED IN SYSTEM? (YES, READ AHEAD.
NO, GO TO STEP 007.)
•
Select Diagnostics from the diagnostics program
menu.
•
Select and execute All Tests.
- Go to step 008.
007 -
•
The system configuration report shows only those
devices supported by the diagnostics program.
•
If a device is missing from the list and is not factory
installed, refer to the service manual provided for
that device.
008 - DO THE DIAGNOSTICS FINISH WITHOUT
ANY ERRORS? (YES, READ AHEAD. NO, GO TO
STEP 009.)
•
If the Diagnostics \ All Tests did not detect a failure
but the system still indicates a failure:
- Check all adapter card jumper settings.
- Check all adapter card switch settings.
- Check all adapter card cables and connectors.
Make sure that all of the above are set correctly
and show the correct voltages and continuity. Re-
place any defective cables or adapter cards. See
“Introduction” on page 116.
- Run the Diagnostics \ All Tests again.