Amber LED state Fault Description Faults Recommendation for Tech Support
system and remove coin cell battery. Install
back battery and power back on to see if
issue persist. If yes, replace motherboard.
3, 4 BIOS Recovery 2 Recovery Image found but invalid Power o system and install RTC_RST
jumper. Remove jumper and power back on
to see if issue persist. If yes, power o
system and remove coin cell battery. Install
back battery and power back on to see if
issue persist. If yes, replace motherboard.
4, 7 System Side
cover is missing
Install back the side cover. If not resolve,
check intrusion switch mechanical and
connector plugged in.
PSU LED indicator
Table 5. PSU LED indicator summary
LED behavior Diagnosis
O AC Power is not connected
Solid green In standby mode. A valid AC source is connected and power is
operational. When on PSU is providing DC power to the system.
Flashing amber Indicates a problem with the power supply
Flashing Green When hot-adding a power supply, this indicates that the power
supply is mismatched with the other power supply (in terms of
eciency, features set, health status, and supported voltage).
Diagnostic error messages
Table 6. 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.
Troubleshooting 77
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