Inspiron 24 5410 All-in-One Service Manual

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	Computer is in hibernation or turned off.
Solid Amber	The computer is unable to boot to the operating system. This indicates that the power supply or another device in the computer is failing.
Blinking Amber	The computer is unable to boot to the operating system. This indicates that the power supply is normal but another device in the computer is failing or not installed properly.

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
1,1	TPM Detection failure
1,2	Unrecoverable SPI flash failure
1,5	Failure EC unable to program i-Fuse
1,6	Failure Generic catch-all for ungraceful EC code flow errors
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
2,8	LCD power rail 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	System BIOS Flash incomplete
3,7	Management Engine (ME) error
4,1	Memory DIMM power rail failure
4,2	CPU power cable connection issue