Diagnostic Error Messages - Dell Latitude 3120 Service Manual

Table 17. Diagnostic LED behavior (continued)
Blinking pattern
Amber
3
NOTE: Blinking 3-3-3 LEDs on Lock LED (Caps-Lock or Nums-Lock), Power button LED (without Fingerprint reader), and
Diagnostic LED indicates failure to provide input during LCD panel test on Dell SupportAssist Pre-boot System Performance
Check diagnostics.

Diagnostic error messages

Table 18. 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
84 Troubleshooting
White Problem description
7 Timeout waiting on ME to
reply to HECI message.
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
Suggested resolution
RTC reset. If problem
persists, replace the
system board.
● Disconnect all power
source (AC, battery, coin
cell) and drain flea power
by pressing and holding
down power button 3~5
seconds to ensure all
power are drained.
●
Run "BIOS recovery from
USB", and the instructions
are in the website Dell
support.
● If problem persists,
replace the system board.
Replace the system board.