Dell Inspiron 16 5645 Owners Manual - Page 102

System-diagnostic lights, Recovering the operating system

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System-diagnostic lights This section lists the system-diagnostic lights of your Inspiron 16 5645. Table 37. System-diagnostic lights Blinking pattern Amber 1 White 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 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 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 Generic catch-all for ungraceful EC code flow errors Non-RPMC Flash on Boot Guard fused system Chipset "Catastrophic Error" signal has tripped CPU failure System board failure (included BIOS corruption or ROM error) No memory or RAM detected Memory or RAM failure Invalid memory installed System board or Chipset Error LCD failure (SBIOS message) LCD failure (EC detection of power rail failure) PCI or Video card or chip failure BIOS Recovery image not found BIOS Recovery image found but invalid Power rail failure Flash corruption is detected by SBIOS. Timeout waiting on ME to reply to HECI message. NOTE: Blinking 3-3-3 LEDs 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 Dell SupportAssist Preboot System Performance Check diagnostics. Recovering the operating system When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell SupportAssist OS Recovery. 102 Troubleshooting

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System-diagnostic lights
This section lists the system-diagnostic lights of your Inspiron 16 5645.
Table 37. 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
Generic catch-all for ungraceful EC code
flow errors
1
7
Non-RPMC Flash on Boot Guard fused
system
1
8
Chipset “Catastrophic Error” signal has
tripped
2
1
CPU failure
2
2
System board failure (included BIOS
corruption or ROM error)
2
3
No memory or RAM detected
2
4
Memory or RAM failure
2
5
Invalid memory installed
2
6
System board or Chipset Error
2
7
LCD failure (SBIOS message)
2
8
LCD failure (EC detection of power rail
failure)
3
2
PCI or Video card or 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 is detected by SBIOS.
3
7
Timeout waiting on ME to reply to HECI
message.
NOTE:
Blinking 3-3-3 LEDs 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 Dell SupportAssist Preboot System Performance
Check diagnostics.
Recovering the operating system
When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell
SupportAssist OS Recovery.
102
Troubleshooting