System-diagnostic lights
This section lists the system-diagnostic lights of your Inspiron 14 Plus 7440.
Table 47. 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 OCP1
1 4 Short in hinge cable tripped OCP2
1 5 EC unable to program i-Fuse
1 6 EC internal failure
1 7 Non-RPMC Flash on boot guard fused
system
2 1 Processor failure
2 2 System board: BIOS or ROM (Read-Only
Memory) failure
2 3 No memory or RAM (Random-Access
Memory) detected
2 4 Memory or RAM (Random-Access
Memory) failure
2 5 Memory or RAM (Random-Access
Memory) failure
2 6 System-board or chipset error
2 7 Display failure - SBIOS message
2 8 Display failure - EC detection of power
rail failure
3 2 PCI of 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 System BIOS Flash corruption.
3 7 Management Engine (ME) error
4 1 Memory or RAM (Random-Access
Memory) failure
4 2 Processor failure
NOTE: Blinking pattern 3-3-3 on Lock LED (Caps-Lock or Num-Lock), Power button LED (without Fingerprint reader),
and Diagnostic LED indicates failure to provide input during LCD panel test on the "Dell SupportAssist Pre-boot System
Performance Check" diagnostics.
Camera status light: Indicates whether the camera is in use.
● Solid white—Camera is in use.
● Off—Camera is not in use.
Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.
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Troubleshooting
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