XPS 13 9315 / XPS 9315 Service Manual

PDF

System diagnostic lights

When blinking in different patterns, the LED on the Caps Lock button indicates the respective issues that your computer is encountering.

Caps Lock button LED

The following table lists the status of your computer based on the Caps Lock button LED.

Table 1. Caps Lock button LEDCaps Lock button LED
Caps Lock button LED	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 five percent charge.
Amber	The computer is running on battery, and the battery has less than five percent charge.
Off	The computer is in sleep state, hibernation, or turned off.

Table 2. LED codesLED light codes for component issues/failure in the product.
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	Display power 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