Power Led Issue; Diagnostic Error Messages - Dell OptiPlex 7050 Small Form Factor Owner's Manual

Table 25. Diagnostic power LED codes (continued)
State
WARNING: The power LED only serve as an indicator of the progress through the POST process. These LEDs do
not indicate the problem that caused the POST routine to stop

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 26. 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
State Name Blinking Amber
Pattern
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
Problem Description
Troubleshooting your computer
Suggested
Resolution
If else, replace the
motherboard.
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