Dell XPS 13 9300 Service Manual - Page 55

System diagnostic lights

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System diagnostic lights When static, the power and battery-charge status light indicates the power mode that your computer is in. When blinking in different patterns, the power and battery-charge status light indicates the respective issues that your computer is encountering. Static power and battery-charge status light The following table lists the status of your computer based on the power and battery-charge status light. Table 20. Power and battery-charge status light Power and battery-charge status light Status of computer Solid white • The power adapter is connected and the battery is fully charged. • The power adapter is connected and the battery has more than 5 percent charge. Amber The computer is running on battery and the battery has less than 5 percent charge. Off The computer is in sleep state, hibernation, or turned off. Blinking power and battery-charge status light The power and battery-status light blinks alternately between amber and off to indicate issues that your computer is encountering. 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 the different power and battery-status light patterns and the associated issues. Table 21. LED codes Diagnostic light codes 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 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. CMOS battery failure PCI, video card/chip failure Recovery image not found Recovery image found but invalid Power-rail failure System BIOS Flash incomplete Management Engine (ME) error Troubleshooting 55

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System diagnostic lights
When static, the power and battery-charge status light indicates the power mode that your computer is in. When blinking in different
patterns, the power and battery-charge status light indicates the respective issues that your computer is encountering.
Static power and battery-charge status light
The following table lists the status of your computer based on the power and battery-charge status light.
Table 20. Power and battery-charge status light
Power and battery-charge status light
Status of computer
Solid white
•
The power adapter is
connected and the battery is
fully charged.
•
The power adapter is
connected and the battery
has more than 5 percent
charge.
Amber
The computer is running on
battery and the battery has less
than 5 percent charge.
Off
The computer is in sleep state,
hibernation, or turned off.
Blinking power and battery-charge status light
The power and battery-status light blinks alternately between amber and off to indicate issues that your computer is encountering.
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 the different power and battery-status light patterns and the associated issues.
Table 21. LED codes
Diagnostic light codes
Problem description
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
CMOS 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
Management Engine (ME) error
Troubleshooting
55