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System-diagnostic lights
This section lists the system-diagnostic lights of your Inspiron 16 5635.
Table 39. System-diagnostic lights
Amber
1
1
1
1
1
1
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
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.
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.
Dell SupportAssist OS Recovery is a standalone tool that is preinstalled in all Dell computers installed with Windows operating
system. It consists of tools to diagnose and troubleshoot issues that may occur before your computer boots to the operating
system. It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its
factory state.
Blinking pattern
White
1
2
3
4
5
6
1
2
3
4
5
6
7
8
1
2
3
4
5
6
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
EC internal failure
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
Invalid memory installed
System-board or chipset error
Display failure - SBIOS message
Display failure - EC detection of power
rail failure
CMOS battery failure
PCI, video card/chip failure
BIOS recovery image not found
Recovery image found but invalid
Power-rail failure
System BIOS Flash incomplete
Management Engine (ME) error
Troubleshooting
89
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