Power status light: Indicates
the power status.
Solid Amber – The system is
unable to boot to the operating system. This indicates that the power
supply or another device in the system is failing.
Blinking Amber – The system is unable to boot to the operating system. This indicates that the
power supply is normal but another device in the system is failing
or not installed properly.
-
NOTE: To determine the device that is failing, see the light
patterns .
Off – System is in hibernation
or turned off.
The power status light blinks amber along with beep
codes indicating failures.
For example, the power status light blinks amber two
times followed by a pause, and then blinks white three times followed
by a pause. This 2,3 pattern continues until the computer is turned
off indicating the Recovery image is not found.
The following table shows different light patterns
and what they indicate:
Table 1. Diagnostic LED/Beep codes.
The following table shows different light patterns
and what they indicate:
LED # of Flashes |
Problem description |
Faults |
2,1 |
Faulty system board |
Faulty system board |
2,2 |
Faulty system board, power supply unit (PSU), or cabling |
Faulty system board, power supply unit (PSU), or cabling |
2,3 |
Faulty system board, CPU, or DIMMS |
Faulty system board, power supply unit (PSU), or DIMMS |
2,4 |
Faulty coin cell battery |
Faulty coin cell battery |
2,5 |
BIOS Recovery |
AutoRecovery trigger, recovery image is not found or is invalid |
2,6 |
CPU |
CPU Error |
2,7 |
Memory |
Memory SPD failure |
3,3 |
Memory |
No memory detected |
3,5 |
Memory |
Modules incompatible or invalid configuration |
3,6 |
BIOS Recovery |
On-demand trigger, recovery image is not found |
3,7 |
BIOS Recovery |
On-demand trigger, recovery image is invalid |
The system may emit a series of beeps during start-up
if the errors or problems cannot be displayed. The repetitive beep
codes help the user troubleshoot problems with the system.