
Troubleshooting 69
For the location of server LEDs and information on their statuses, see the server documentation on the HP
website (http://www.hp.com/support).
Troubleshooting flowcharts
To effectively troubleshoot a problem, HP recommends that you start with the first flowchart in this section,
"Start diagnosis flowchart (on page 69)," and follow the appropriate diagnostic path. If the other flowcharts
do not provide a troubleshooting solution, follow the diagnostic steps in "General diagnosis flowchart (on
page 70)." The General diagnosis flowchart is a generic troubleshooting process to be used when the
problem is not server-specific or is not easily categorized into the other flowcharts.
The available flowcharts include:
• Start diagnosis flowchart (on page 69)
• General diagnosis flowchart (on page 70)
• Server power-on problems flowchart (on page 72)
• POST problems flowchart (on page 75)
• OS boot problems flowchart (on page 77)
• Server fault indications flowchart (on page 78)
Start diagnosis flowchart
Use the following flowchart to start the diagnostic process.
Item See
1
"General diagnosis flowchart (on page 70)"
2
"Power-on problems flowchart ("Server power-on problems flowchart" on
page 72)"
3
"POST problems flowchart (on page 75)"
4
"OS boot problems flowchart (on page 77)"
5
"Server fault indications flowchart (on page 78)"
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