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Chapter 1 Maintenance
5.
Troubleshooting
If this system does not operate as intended, check it according to the contents of the following checklist before
sending it for repair. If an item in the checklist corresponds with a problem you are experiencing, follow the
subsequent check and processing instructions.
If the system still does not operate normally, write down the messages displayed on the screen and then contact
the maintenance service company.
5.1
Upon Power On to the End of POST
[?]
Fail to power on the server
Is the server properly supplied with power?
→ Check if the power cord connects to the power outlet (or UPS) that meets the power
specifications for the server.
→ Use the power cord that comes with the server. Additionally, check the power cord for broken
shield or bent plugs.
→ Make sure the power breaker for the connected power outlet is on.
→ If the power cord is plugged to a UPS, make sure the UPS is powered and it outputs power.
Refer to the manual that comes with the UPS for details.
Power supply to the server may be linked with UPS using the BIOS Setup utility.
Did you press the POWER switch?
→ When power cord is connected, the initialization of management controller starts. During
initialization, the POWER LED lights amber.
→ To power on the server, press the POWER switch after the amber POWER LED is unlit.
[?]
The screen does not turn on.
Wait until the logo appears.
[?]
POST does not complete
Are DIMMs installed correctly?
→ Check if DIMMs are installed correctly.
Is the memory size large?
→ The memory check may take longer than usual if the installed memory size is large. Wait for a
while.
Did you perform any keyboard or mouse operation immediately after you started the server?
→ If you perform any keyboard or mouse operation immediately after start-up, POST may
accidentally detect a keyboard controller error and stops processing. In such a case, reboot the
server. Do not perform any keyboard or mouse operation until the BIOS start-up message
appears after you reboot the server.
Are memory and PCI devices supported for use with this server?
→ Operation of the server with unauthorized devices is not guaranteed.
22
Express5800/E120d-M Maintenance Guide
5. Troubleshooting
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