IBM 866631Y - Netfinity 7100 - 8666 Hardware Maintenance Manual page 12

2. THE SYSTEM IS NOT PART OF A CLUSTER.
3. DID YOU RECEIVE BOTH OF THE CORRECT RESPONSES?
NO. Find the failure symptom in "Symptom-to-FRU index" on page 119.
YES. Run the Diagnostic Programs. If necessary, refer to "Diagnostic programs and
error messages" on page 12.
If you receive an error, go to "Symptom-to-FRU index" on page 119.
If the diagnostics completed successfully and you still suspect a problem, see
"Undetermined problems" on page 142.
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Hardware Maintenance Manual: Netfinity 7100 – Type 8666
v Power-off the computer and all external devices.
v Check all cables and power cords.
v Set all display controls to the middle position.
v Power-on all external devices.
v Power-on the computer.
v Record any POST error messages displayed on the screen. If an error is
displayed, look up the first error in the "POST error codes" on page 131.
v Check the information LED panel System Error LED; if on, see "Diagnostic
panel LEDs" on page 122.
v Check the System Error Log. If an error was recorded by the system, see
"Symptom-to-FRU index" on page 119.
v Start the Diagnostic Programs. See "Diagnostic programs and error
messages" on page 12.
v Check for the following responses:
a. One beep.
b. Readable instructions or the Main Menu.