Lenovo D400 Desktop IdeaCentre - Manual (Page 11)


User Guide
LED indicator Color status Description
Power button
LED
(Single color)
Blue ON The system is connected to the power
supply and is turned on and ready for
use.
Blue blink The system is booting.
The system is in S3 sleep mode
(suspend to memory).
OFF Power OFF
Network LED
(Single color)
Blue ON The network is connected.
Blue blink The network is active.
OFF The network is disconnected.
HDD access LED
(Single color)
Blue blink Disk access
OFF No access
System status LED
(Dual color)
Purple ON The system stays on initial mode.
Blue blink The operating system is in the process
of booting or in the process of shutting
down.
Blue ON The operating system has booted
(running/normal operation).
Red blink Boot from internal Windows PE for
system recovery/reset
Blue and purple
blink Boot from USB (Reserved for BIOS
update while boot block is active.)
Red ON When the system is booting:
System failure: See POST error code
System status Red ON with HDD LEDs.
When the system is running:
Go to Health dialogue box to check what
events are triggered or happened.
Red blink When the system has booted:
HDD LED 0~3 Red blinking
31038690B_D400_UG_EN_V1.0.indd 6 2009.7.8 4:27:54 PM