2 Hardware Maintenance Manual: xSeries 330
• Power-on the computer.
• If the computer hangs and no error is displayed, go to “Undetermined
problems” on page 98.
• 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 90.
• Check the information LED panel System Error LED; if on, see “Information
panel system error LED” on page 85.
• Check the System Error Log. If an error was recorded by the system, see
“Chapter 7. Symptom-to-FRU index,” on page 83.
• Start the Diagnostic Programs. See “Diagnostic programs and error
messages” on page 15.
• Check for the following responses:
a. One beep.
b. Readable instructions or the Main Menu.
3. DID YOU RECEIVE BOTH OF THE CORRECT RESPONSES?
NO.Find the failure symptom in“Chapter 7. Symptom-to-FRU index,” on page 83.
YES.Run the Diagnostic Programs. If necessary, refer to “Starting the diagnostic
programs” on page 16.
If you receive an error, go to“Chapter 7. Symptom-to-FRU index,” on page 83.
If the diagnostics completed successfully and you still suspect a problem, see
“Undetermined problems” on page 98.