Diagnostic Steps - HP ProLiant ML570 Generation 2 Maintenance And Service Manual

Diagnostic Steps

If the server does not power up, or powers up but does not complete POST, answer the
questions in Table 5-1 to determine appropriate actions based on the symptoms observed. The
flow of questions reflects the usual flow of events during a power-on sequence.
According to the answers you give, you will be directed to an appropriate secondary table in
this section. The table outlines possible reasons for the problem, options available to assist in
diagnosis, possible solutions, and references to other sources of information.
Table 5-1: Diagnostic Steps
Question
Question 1:
Is the system power button LED off?
Question 2:
Is the system power button LED illuminated
green?
Question 3:
Is the external health LED illuminated green?
Question 4:
Is the internal health LED illuminated green?
Question 5:
Is the monitor displaying information?
HP ProLiant ML570 Generation 2 Server Maintenance and Service Guide
Action
If no, continue to question 2.
If yes, refer to Table 5-2.
If yes, continue to question 3.
If no, refer to Table 5-3.
If yes, continue to question 4.
If no, refer to Table 5-4.
If yes, continue to question 5.
If no, refer to Table 5-5.
If yes, use the POST messages for further
diagnosis. Refer to Table 5-6 for details.
If no, refer to Table 5-6.
Troubleshooting
5-3