Service Manual

Table 15. Diagnostic light codes
Diagnostic light codes
(Amber, White)
Problem description
1,2 Unrecoverable SPI Flash Failure
2,1 CPU configuration or CPU failure
2,2 System board: BIOS or Read-Only Memory
(ROM) failure
2,3 No memory or Random-Access Memory (RAM)
detected
2,4 Memory or Random-Access Memory (RAM)
failure
2,5 Invalid memory installed
2,6 System board/Chipset Error/Clock failure/
Gate A20 failure/Super I/O failure/Keyboard
controller failure
3,1 CMOS battery failure
3,2 PCI of Video card/chip failure
3,3 BIOS Recovery 1: BIOS recovery image not
found
3,4 BIOS Recovery 2: Recovery image found but
invalid
3,5 Power Rail Failure: EC ran into power
sequencing failure
3,6 Paid SPI Volume Error
3,7 Management Engine (ME) error. Timeout
waiting on ME to reply to HECI message.
4,2 CPU Power cable connection issue
Diagnostic error messages
Table 16. Diagnostic error messages
Error messages Description
AUXILIARY DEVICE FAILURE
The touchpad or external mouse may be faulty. For an
external mouse, check the cable connection. Enable the
Pointing Device option in the System Setup program.
BAD COMMAND OR FILE NAME
Ensure that you have spelled the command correctly, put
spaces in the proper place, and used the correct path name.
CACHE DISABLED DUE TO FAILURE
The primary cache internal to the microprocessor has failed.
Contact Dell
CD DRIVE CONTROLLER FAILURE
The optical drive does not respond to commands from the
computer.
DATA ERROR
The hard drive cannot read the data.
DECREASING AVAILABLE MEMORY
One or more memory modules may be faulty or improperly
seated. Reinstall the memory modules or, if necessary, replace
them.
DISK C: FAILED INITIALIZATION
The hard drive failed initialization. Run the hard drive tests in
Dell Diagnostics.
Troubleshooting 73