Table 41. System-diagnostic lights(continued)
Blinking pattern
Problem descriptionAmber White
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.
● Solid white—Caps Lock enabled.
● Off—Caps Lock disabled.
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 stand-alone tool that is preinstalled in Dell computers running the Windows operating
system. It consists of tools to diagnose and troubleshoot issues that may occur before your computer boots to the operating
Troubleshooting
95
To Next Page
Loading...
