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.
Hard-Drive Indicator Patterns
Figure 4. Hard-Drive Indicators
1. hard-drive activity indicator (green)
2. hard-drive status indicator (green and amber)
NOTE: If the hard drive is in Advanced Host Controller Interface (AHCI) mode, the status indicator (on the right side)
does not function and remains off.
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