Solid white — Power adapter is connected and the battery has more than 5 percent charge.
Amber — Computer is running on battery and the battery has less than 5 percent charge.
Off
Power adapter is connected, and the battery is fully charged.
Computer is running on battery, and the battery has more than 5 percent charge.
Computer is in sleep state, hibernation, or turned off.
The battery-status light blinks amber along with beep codes indicating failures.
For example, the battery-status light blinks amber two times followed by a pause, and then blinks white three times followed by a pause. This 2,3 pattern continues until the computer is turned off indicating no memory or RAM is detected.
The following table shows different power and battery-status light patterns and associated problems.
Table 1. System diagnostic lightsThe table describes the system diagnostic lights, with their problem descriptions and suggested solutions.
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
2
1
CPU failure
2
2
System board failure (included BIOS corruption or ROM error)
2
3
No memory/RAM detected
2
4
Memory/RAM failure
2
5
Invalid memory installed
2
6
System board/Chipset Error
2
7
LCD failure (SBIOS message)
2
8
LCD failure (EC detection of power rail failure)
3
1
CMOS battery failure
3
2
PCI or 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
Flash corruption 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 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.
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.
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