Power Led Issue; Diagnostic Error Messages - Dell OptiPlex 3050 Small Form Factor Owner's Manual

Table 24. Diagnostic power LED codes (continued)
Power LED light status
Blinking white light
Steady white

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
AUXILIARY DEVICE FAILURE
BAD COMMAND OR FILE NAME
CACHE DISABLED DUE TO FAILURE
CD DRIVE CONTROLLER FAILURE
Possible cause
Computer is in sleep mode.
The computer is fully
functional and in the On state.
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.
Troubleshooting your computer
Troubleshooting steps
● Ensure the power cable is
connected to the system
board and processor.
● Press the power button to
bring the computer out of
the sleep mode.
● Ensure all power cables
are securely connected to
the system board.
● Ensure the main power
cable and front panel
cable are connected to the
system board.
If the computer is not
responding, do the following:
● Ensure the display is
connected and turned on.
● If the display is connected
and turned on, listen for a
beep code.
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