Users Guide

Power LED light status Possible cause Troubleshooting steps
Distorted display Should have normal viewable display. • Incompatible monitor
• Incompatible dongle (if used)
• Not supported display mode
• Bad connection on display output
• Logic board defect
Power LED error code behavior
Table 18. Power LED error code behavior
LED# of flashes Fault description Fault Action Comment
2,1 CPU CPU Failure Type A
2,2 Motherboard: BIOS ROM failure Motherboard, covers BIOS corruption or
ROM error
NA Not applicable to X7 BIOS. No Test Case
support.
2,3 Memory No Memory/RAM detected NA Not supported. Memory is solder down on
Motherboard. It is difficult to validate this
function.
2,4 Memory Memory/RAM failure Type A Supported. Memory is solder down on
Motherboard, the Service team could replace
the motherboard/memory to repurpose the
board for repair.
2,5 Memory Invalid memory is installed NA Memory is solder down on motherboard.
2,6 Motherboard: Chipset Motherboard / Chipset error NA This code is not supported. HW dependent.
2,7 LCD LCD failure NA This code is not supported. There is no LCD.
3,1 RTC Power failure CMOS battery failure Type B
3,2 PCI / Video PCI or Video card/ Chip failure NA Not applicable to X7 BIOS. No test case
support.
3,3 BIOS Recovery 1 Recovery Image not found Type A
3,4 BIOS Recovery 2 Recovery Image found but invalid Type A
4,1 CPU Config or CPU Failure NA This code is not supported.
4,2 Generic POST Video Error—Old
LED pattern 1110
NA Not applicable to X7 BIOS. No test case
support.
Example: LED# of flashes: 2,1 indicates that LED blinks two times, pauses, and then blinks once.
Troubleshooting action
• Type A
• Log the fault event.
• Emit the LED error code pattern.
• Repeat the LED error code pattern in a dead-loop.
• Type B
• Log the fault event, if possible.
• Emit the LED error code pattern.
• Repeat the LED error code 3 more times.
• Leave the LED light up in amber color.
• Continue with POST.
Troubleshooting your system
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