Health indicator
Condition
Corrective Action
The indicator blinks
amber if the system
is on or in standby,
and any error exists
(for example, a failed
fan or hard drive)
See the System Event Log or system messages for the specific issue.
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
.
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