Dell P125F001 User Manual

Table 42. System-diagnostic lights (continued)
Blinking pattern
Problem description Suggested resolutionAmber White
otherwise replace the display
assembly (LCD).
2 8 Display failure - EC detection
of power rail failure
Replace the system board.
3 1 CMOS battery failure Reset the CMOS battery
connection. If problem
persists, replace the coin-cell
battery.
3 2 PCI of video card/chip failure Replace the system board.
3 3 BIOS recovery image not
found
Flash latest BIOS version. If
problem persists, replace the
system board.
3 4 BIOS recovery image found
but invalid
Flash latest BIOS version. If
problem persists, replace the
system board.
3 5 Power-rail failure EC ran into power sequencing
failure. If problem persists,
replace the system board.
3 6 System BIOS Flash
corruption.
Flash corruption detected by
SBIOS. If problem persists,
replace the system board.
3 7 Management Engine (ME)
error
Timeout waiting on ME to
reply to HECI message. If
problem persists, replace the
system board.
4 1 Memory DIMM power rail
failure
4 2 Issue with the Processor's
power cable connection
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 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.
98
Troubleshooting

Dell P125F001 Specifications

General

Brand	Dell
Model	P125F001
Category	Laptop
Language	English