Diagnostic Error Messages - Dell Latitude 9520 Series Service Manual

Table 21. Disgnostic LED states
Amber LED state
3
3
3
3
NOTE: For diagnostics pattern 2-amber, 8-white connect an external monitor to isolate between system board or graphics
controller failure.

Diagnostic error messages

Table 22. Diagnostic error messages
Error messages
AUXILIARY DEVICE FAILURE
BAD COMMAND OR FILE NAME
CACHE DISABLED DUE TO FAILURE
CD DRIVE CONTROLLER FAILURE
DATA ERROR
DECREASING AVAILABLE MEMORY
DISK C: FAILED INITIALIZATION
DRIVE NOT READY
ERROR READING PCMCIA CARD
EXTENDED MEMORY SIZE HAS CHANGED
White LED state
4
5
6
7
System state
BIOS Recovery Image found
but invalid
Power rail failure
SBIOS Flash Corruption
ME error
Description
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.
Ensure that you have spelled the command correctly, put
spaces in the proper place, and used the correct path name.
The primary cache internal to the microprocessor has failed.
Contact Dell
The optical drive does not respond to commands from the
computer.
The hard drive cannot read the data.
One or more memory modules may be faulty or improperly
seated. Reinstall the memory modules or, if necessary, replace
them.
The hard drive failed initialization. Run the hard drive tests in
Dell Diagnostics.
The operation requires a hard drive in the bay before it can
continue. Install a hard drive in the hard drive bay.
The computer cannot identify the ExpressCard. Reinsert the
card or try another card.
The amount of memory recorded in non-volatile memory
(NVRAM) does not match the memory module installed in the
computer. Restart the computer. If the error appears again,
Contact Dell
Notes
Flash latest BIOS version
If problem persists, replace
the system board
EC ran into power sequencing
failure
If problem persists, replace
the system board
Flash corruption detected by
SBIOS
If problem persists, replace
the system board
Timeout waiting on ME to
reply to HECI message
If problem persists, replace
the system board
Troubleshooting 85