Chapter 3 11
System LED Indicators
Front panel
This section describes the different system LED indicators.
No. LED indicator Color LED status Description
1 Network White On Link between system and network
Random blink Network access or activity
None Off Network disconnected
2 HDD access White Blink HDD access
None Off No HDD activity
3 System status White Random blink • System is booting
• System is shutting down
On System initialize operation completed.
Purple Random blink • System is booting from a USB device (Reserved for
BIOS update while boot block has been active)
• System recovery or reset is in progress.
Purple On May indicate the following states:
• System failure
• HDD failure
• SATA controller failure
• USB controller failure
• LAN controller failure
• Fan failure
• Memory failure
• Boot device not found
Refer to “System Status Error Codes” on page 92 for
more information.
Random blink System recovery or reset is in progress
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