Inspiron 24-5401 Service Manual

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Diagnostics

Power status light: Indicates the power status.

The following table shows the power LED states:

Table 1. Power LED statusThe following table provides the power LED states and their description.
Power LED state	Description
Off	System is in the off state
Solid Amber	System fault during pre-POST, but power supply is good (S0)
Blinking Amber	System fault during pre-POST indicating a bad or missing PSU rail
Solid White	System is in BIOS and may be fully functional depending on the state of the remaining diagnostic LEDs

For example, the power 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/RAM detected.

The following table shows different light patterns and what they indicate:

Table 2. System diagnostic lightsThe following table shows different light patterns and what they indicate.
Light pattern	Problem description
1,2	Unrecoverable SPI flash failure
2,1	CPU failure
2,2	System board failure, corrupt BIOS, ROM error
2,3	No memory/RAM detected
2,4	Memory or RAM failure
2,5	Invalid memory installed
2,6	System board error, chipset error, clock failure, gate A20 failure, keyboard controller failure
2,7	Display failure
3,1	CMOS battery failure
3,2	PCIe 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	Paid SPI volume error
3,7	Intel ME (Management Engine) error