Dell Inspiron 16 Plus 7640 Owners Manual - Page 103

System-diagnostic lights

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System-diagnostic lights This section lists the system-diagnostic lights of your Inspiron 16 Plus 7640. Table 46. System-diagnostic lights Blinking pattern Amber 1 White 1 1 2 1 3 1 4 1 5 1 6 1 7 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 3 2 3 3 3 4 3 5 3 6 3 7 4 1 4 2 Problem description TPM detection failure Unrecoverable SPI flash failure Short in hinge cable tripped OCP1 Short in hinge cable tripped OCP2 EC unable to program i-Fuse EC internal failure Non-RPMC Flash on boot guard fused system Processor failure System board: BIOS or ROM (Read-Only Memory) failure No memory or RAM (Random-Access Memory) detected Memory or RAM (Random-Access Memory) failure Memory or RAM (Random-Access Memory) failure System-board or chipset error Display failure - SBIOS message Display failure - EC detection of power rail failure PCI of video card/chip failure BIOS recovery image not found BIOS recovery image found but invalid Power-rail failure System BIOS Flash corruption. Management Engine (ME) error Memory or RAM (Random-Access Memory) failure 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. Troubleshooting 103

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System-diagnostic lights
This section lists the system-diagnostic lights of your Inspiron 16 Plus 7640.
Table 46. System-diagnostic lights 
Blinking pattern
Problem description
Amber
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.
Troubleshooting
103