Owners Manual

Table 21. Diagnostic LED status (continued)
Blinking pattern Problem description Suggested resolution
2 5 Invalid Memory installed
● Reset the memory module.
● If problem persists, replace the
memory module.
2 6 System board error, chipset error, clock
failure, gate A20 failure, super I/O failure,
keyboard controller failure
● Flash latest BIOS version.
● If problem persists, replace the
system board.
3 1 CMOS battery failure
● Reset the CMOS battery
connection.
● If problem persists, replace the
RTS battery.
3 2 PCIe or video card/chip failure
● Replace the system board.
3 3 BIOS recovery image not found
● Flash latest BIOS version.
● If problem persists, replace the
system board.
3 4 BIOS recovery image found but invalid
● Flash latest BIOS version.
● If problem persists, replace the
system board.
3 5 Power Rail Failure
● EC ran into power sequencing
failure.
● If problem persists, replace the
system board.
3 6 Paid SPI volume error
● Flash corruption detected by
SBIOS.
● If problem persists, replace the
system board.
3 7 Intel ME (Management Engine) error
● Timeout waiting on ME to reply
to HECI message.
● If problem persists, replace the
system board.
4 2 CPU power cable connection issue
Diagnostic error messages
Table 22. 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.
Troubleshooting 65