Health indicator
Condition
Corrective Action
Invalid memory configurations can cause the system
to halt at startup without any video output. See
Getting Help
.
Hard-drive indicator
Condition
Corrective Action
The indicator lights green to indicate hard-drive activity..
None required.
Electrical indicator
Condition
Corrective Action
The indicator blinks amber if the system
experiences an electrical error (for
example, voltage out of range, or a failed
power supply or voltage regulator).
See the System Event Log or system messages for the specific
issue. If it is due to a problem with the power supply, check the
LED on the power supply. Re-seat the power supply by removing
and reinstalling it. If the problem persists, see
Getting Help
.
Temperature indicator
Condition
Corrective Action
The indicator blinks amber if the
system experiences a thermal error
(for example, a temperature out of
range or fan failure).
Ensure that none of the following conditions exist:
•
A cooling fan is removed or has failed.
•
System cover, cooling shroud, EMI filler panel, memory-
module blank, or back-filler bracket is removed.
•
Ambient temperature is too high.
•
External airflow is obstructed.
See
Getting Help
.
Memory indicator
Condition
Corrective Action
The indicator blinks amber if a
memory error occurs.
See the system event log or system messages for the location of the failed
memory. Reinstall the memory device. If the problem persists, see
Getting
Help
.
15
