Power LED issue
Power LED is not flashing amber on ChengMing 3977 and Optiplex D8 and OptiPlex D8 AIO platforms.
ChengMing 3977 and OptiPlex D8 and D8 AIO platforms without processor installed or when processor power cable is not
connected; it may not have the power LED flashing amber as the diagnostic indicator. The BIOS behavior specification defines
that:
1. If no processor is installed in the system, the power LED should flash amber in pattern of 2-3
2. If no processor cable is connected in the system, the power LED should flash amber in pattern of 2-2
Do not replace any hardware, it works as per the design. With the Boot guard (BtG) feature of Intel ME11.6, when processor
power or processor is missing, then the system will shut down.
Affected Platforms:
● ChengMing 3977
● OptiPlex 3050/5050/7050
● OptiPlex 3050 AIO/5250 AIO/7450 AIO
Diagnostic error messages
Table 25. 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.
DRIVE NOT READY
The operation requires a hard drive in the bay before it can
continue. Install a hard drive in the hard drive bay.
ERROR READING PCMCIA CARD
The computer cannot identify the ExpressCard. Reinsert the
card or try another card.
EXTENDED MEMORY SIZE HAS CHANGED
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
THE FILE BEING COPIED IS TOO LARGE FOR THE
DESTINATION DRIVE
The file that you are trying to copy is too large to fit on the
disk, or the disk is full. Try copying the file to a different disk
or use a larger capacity disk.
A FILENAME CANNOT CONTAIN ANY OF THE
FOLLOWING CHARACTERS: \ / : * ? " < > | -
Do not use these characters in filenames.
GATE A20 FAILURE
A memory module may be loose. Reinstall the memory module
or, if necessary, replace it.
Troubleshooting your computer 53
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