Dell Vostro 5401 Service Manual - Page 119

Table 21. LED codes, Amber, Diagnostic light codes, Problem description, Camera status indicator

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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 power and battery-status light blinks amber along with beep codes indicating failures. For example, the power and 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 21. LED codes Diagnostic light codes 1,1 1,2 1,3 1,4 1, 5 1, 6 2,1 2,2 2,3 2,4 2,5 2,6 2,7 2,8 3,1 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 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 LCD power rail failure. Coin-cell battery failure PCI, video card/chip failure Recovery image not found Recovery image found but invalid Power-rail failure System BIOS Flash incomplete Timeout waiting on ME to reply to HECI message Camera status indicator: Indicates whether the camera is in use. ● Solid white - Camera is in use. ● Off - Camera is not in use. Caps Lock status indicator: Indicates whether Caps Lock is enabled or disabled. ● Solid white - Caps Lock enabled. ● Off-Caps Lock disabled. Troubleshooting 119

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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 power and battery-status light blinks amber along with beep codes indicating failures.
For example, the power and 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 21. LED codes
Diagnostic light codes
Problem description
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
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
Invalid memory installed
2,6
System-board or chipset error
2,7
Display failure
2,8
LCD power rail failure.
3,1
Coin-cell battery failure
3,2
PCI, video card/chip failure
3,3
Recovery image not found
3,4
Recovery image found but invalid
3,5
Power-rail failure
3,6
System BIOS Flash incomplete
3,7
Timeout waiting on ME to reply to HECI
message
Camera status indicator:
Indicates whether the camera is in use.
●
Solid white — Camera is in use.
●
Off — Camera is not in use.
Caps Lock status indicator:
Indicates whether Caps Lock is enabled or disabled.
●
Solid white — Caps Lock enabled.
●
Off—Caps Lock disabled.
Troubleshooting
119