Dell Latitude 9440 2-in-1 - System-Diagnostic Lights

System-diagnostic lights
This section lists the system-diagnostic lights of your Latitude 9440 2-in-1.
Table 21. System-diagnostic lights
Blinking pattern
Problem descriptionAmber White
1 1 TPM detection failure
1 2 Unrecoverable SPI Flash Failure
1 3
Short in hinge cable tripped OCP 1
1 4
Short in hinge cable tripped OCP 2
1 5 EC unable to program i-Fuse
1 6 Generic catch-all for ungraceful EC code
flow errors
1 7
Non-RPMC Flash on Boot Guard fused
system
2 1 CPU failure
2 2 System board covers BIOS corruption or
ROM error
2 3 No memory/RAM detected
2 4 Memory/RAM failure
2 5 Invalid memory installed
2 6 System board/Chipset Error
2 7 LCD failure (SBIOS message)
2 8 LCD failure (EC detection of power rail
failure)
3 1 CMOS battery failure
3 2 PCI or Video card/chip failure
3 3 BIOS Recovery image not found
3 4 BIOS Recovery image found but invalid
3 5 Power rail failure
3 6 Flash corruption detected by SBIOS.
3 7 Timeout waiting on ME to reply to HECI
message.
4 1 Memory DIMM power rail failure
4 2 CPU power cable connection issue
NOTE: Blinking 3-3-3 LEDs on Lock LED (Caps-Lock or Nums-Lock), Power button LED (without Fingerprint reader), and
Diagnostic LED indicates failure to provide input during LCD panel test on Dell SupportAssist Pre-boot System Performance
Check diagnostics.
Troubleshooting 77