Bull NovaScale T840, Руководство пользователя

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User Guide
240
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Problems with the System
Fail to power on the system:
■
Is the system is properly supplied with power?
- Check if the power cord is connected to a power outlet (or UPS) that meets the
power specifications for the system.
- 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 out-
puts power. See the manual that comes with the UPS for details.
■
Did you press the POWER/SLEEP switch?
- Press the POWER/SLEEP switch on the front of the system to turn on the
power (the POWER/SLEEP lamp lights).
Fail to power off the system
■
Is the power switch enabled?
- Restart the system and start the BIOS setup utility
No screen display appears and beep occurs.
■
Is the DIMM board installed securely?
- Check whether the DIMM board is inserted into the mating connector securely.
- Make sure the jumper switches have been returned to their original positions
after CMOS clearing. for the positions of the jumper switches.
POST fails to complete:
■
Is the DIMM board installed?
- At least two DIMM boards are required for operation.
■
Is the memory size large?
- The memory check may take a few seconds if the memory size is large. Wait for
a while.
■
Did you perform any keyboard or mouse operation immediately after you started
the system?
- If you perform any keyboard or mouse operation immediately after start-up,
POST may accidentally detect a keyboard controller error and stops proceeding.
In such a case, restart the system once again. Do not perform any keyboard or
mouse operation until the BIOS start-up message appears when you restart the
system.
■
Does the system contain appropriate memory boards or PCI devices?