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HP ProLiant DL388 Troubleshooting Manual: System Open Circuits And Short Circuits; External Device Problems; Video Problems

Hp proliant servers troubleshooting guide.
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Be sure that the server has adequate power to support the video or graphic option. Some high-power
adapters require specific cabling, fans, or power. For more information, see the documentation that
ships with the option, or see the server documentation on the HP website
Be sure the adapter is seated properly.

System open circuits and short circuits

Operating the server in this manner results in improper airflow and improper cooling that can
lead to thermal damage.
Check the server LEDs to see if any statuses indicate the source of the problem. For LED information,
refer to the server documentation.
Remove all power sources to the server.
Be sure no loose connections (on page 19) exist in the area.
Be sure each component in the area is working. Refer to the section for each component in this guide.
If you cannot determine the problem by checking the specific area, perform each of the following actions.
Restart the server after each action to see if the problem has been corrected.
Reseat all I/O expansion boards.
Be sure no loose connections (on page 19) exist in the rest of the server, particularly with the cables that
connect to the system board.
Be sure no foreign material exists, such as screws, bits, or slot bracket blanks, that may be short
circuiting components.

External device problems

Video problems

Screen is blank for more than 60 seconds after you power up the server
Be sure the monitor power cord is plugged into a working grounded (earthed) AC outlet.
Power up the monitor and be sure the monitor light is on, indicating that the monitor is receiving power.
Be sure the monitor is cabled to the intended server or KVM connection.
Be sure no loose connections (on page 19) exist.
For rack-mounted servers, check the cables to the KVM switch and be sure the switch is correctly set
for the server. You may need to connect the monitor directly to the server to be sure the KVM switch
has not failed.
For tower model servers, check the cable connection from the monitor to the server, and then from
the server to the power outlet.
Do not operate the server for long periods with the access panel open or removed.
Hardware problems 54



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