Power Led Issue; Diagnostic Error Messages - Dell OptiPlex 5050 Owner's Manual

Power LED light status

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 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
Possible cause
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
Troubleshooting steps
• If the display is connected
and turned on, listen for a
beep code.
Troubleshooting your computer 59