Kontron CG1200 Carrier Grade Server - Manual (Page 96)

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Kontron CG1200 Carrier Grade Server Installation and Maintenance Guide 90
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Is the system operating normally? If so, the power LED might be defective or the cable from the front
panel to the server board might be loose.
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Have you securely plugged the server power cord into the power supply?
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For AC, will other items plugged into the same power outlet function correctly?
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Remove all add-in cards and see if the system boots. If successful, re-insert the cards one at a time
with a reboot between each addition.
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Make sure the memory DIMMs comply with the system requirements.
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Make sure the memory DIMMs have been populated according to the system requirements.
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Remove the memory DIMMs and re-seat them.
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Make sure the processor complies with the system requirements.
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Remove the processor and re-seat it.
7.4.2 No Characters Appear on Screen
Check the following:
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Is the keyboard functioning? Test it by turning the “Num Lock” function on and off to make sure the
Num Lock light is functioning.
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Is the video monitor plugged in and turned on? If you are using a switch box, is it switched to the
correct system?
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Are the brightness and contrast controls on the video monitor properly adjusted?
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Is the video monitor signal cable properly installed?
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Does this video monitor work correctly if plugged into a different system?
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Is the onboard video controller enabled in the BIOS?
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Remove all add-in cards and see if the video returns. If successful, re-insert the cards one at a time
with a reboot between each addition.
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Make sure the memory DIMMs comply with the system requirements.
•
Make sure the memory DIMMs have been populated according to the system requirements.
•
Remove the memory DIMMs and re-seat them.
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Make sure the processor complies with the system requirements.
•
Remove the processor and re-seat it.
7.4.3 Characters are Distorted or Incorrect
Check the following:
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Are the brightness and contrast controls properly adjusted on the video monitor?
See the manufacturer’s documentation.
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Are the video monitor’s signal and power cables properly installed?
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Does this video monitor work correctly if plugged into a different system?
7.4.4 System Cooling Fans do not Rotate Properly
If the system cooling fans are not operating properly, it is an indication of possible system component
failure.
Check the following: