Troubleshooting 92
• If a device has latches, be sure they are completely closed and locked.
• Check any interlock or interconnect LEDs that may indicate a component is not connected properly.
• If problems continue to occur, remove and reinstall each device, checking the connectors and sockets
for bent pins or other damage.
Service notifications
To view the latest service notifications, refer to the HP website (http://www.hp.com/go/bizsupport).
Select the appropriate server model, and then click the Troubleshoot a Problem link on the product page.
Troubleshooting flowcharts
To effectively troubleshoot a problem, HP recommends that you start with the first flowchart in this section,
"Start diagnosis flowchart (on page 92)," 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 93)." 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 92)
• General diagnosis flowchart (on page 93)
• Server power-on problems flowchart (on page 95)
• POST problems flowchart (on page 98)
• OS boot problems flowchart (on page 99)
• Server fault indications flowchart (on page 101)
Start diagnosis flowchart
Use the following flowchart to start the diagnostic process.
Item Refer to
1 "General diagnosis flowchart (on page 93)"
2 "Power-on problems flowchart ("Server power-on problems flowchart" on
page 95)"
3 "POST problems flowchart (on page 98)"
4 "OS boot problems flowchart (on page 99)"
5 "Server fault indications flowchart (on page 101)"
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