System Open Circuits And Short Circuits; External Device Problems; Video Problems - HP ProLiant BL620c - G7 Server Troubleshooting Manual

•
Be sure the adapter is seated properly.

System open circuits and short circuits

Action:
CAUTION:
removed. 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,
1.
refer to the server documentation.
Remove all power sources to the server.
2.
Be sure no loose connections (on page 18) exist in the area.
3.
Be sure each component in the area is working. Refer to the section for each component in this
4.
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 18) 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
Action:
Be sure the monitor power cord is plugged into a working grounded (earthed) AC outlet.
1.
Power up the monitor and be sure the monitor light is on, indicating that the monitor is receiving
2.
power.
Be sure the monitor is cabled to the intended server or KVM connection.
3.
Be sure no loose connections (on page 18) exist.
4.
For rack-mounted servers, check the cables to the KVM switch and be sure the switch is correctly
o
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
o
from the server to the power outlet.
Press any key, or type the password, and wait a few moments for the screen to activate to be sure
5.
the energy saver feature is not in effect.
Do not operate the server for long periods with the access panel open or
Hardware problems 53