Dell ChengMing 3990 Service Manual page 52

Table 2. LED Behavior (continued)
Blinking pattern
Amber White
3 1
3 2
3 3
3 4
3 5
3 6
3 7
4 2
52 Troubleshooting
Problem Description
CMOS battery failure
PCI or Video card/ chip failure
Recovery Image not found
Recovery Image found but invalid
Power Rail Failure
Paid SPI Volume Error
Intel ME (Management Engine) Erro
CPU Power Cable Connection Issue
Suggested Resolution
Reset the CMOS battery
connection
If problem persists, replace the
RTS battery
1. Check if the display in
operating system is functioning
appropriately or not. If the
display is appropriate, the
customer has to update the
latest BIOS (v1.3.2 or above).
2. Check the customer's platform
configuration if there is no
display in operating system.
a. If video card is used to
display, replace video card.
b. If UMA is used to display,
replace the CPU.
c. If (a) and (b) does not
work, replace the system
board.
d. After the display problem
is fixed, the customer must
update latest BIOS (v1.3.2
or above).
Flash latest BIOS version
If problem persists, replace the
system board
Flash latest BIOS version
If problem persists, replace the
system board
EC ran into power sequencing
failure
If problem persists, replace the
system board
Flash corruption detected by
SBIOS
If problem persists, replace the
system board
Timeout waiting on ME to reply to
ECI message
If problem persists, replace the
system board
Timeout waiting on ME to reply to
ECI message
If problem persists, replace the
system board