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Table 30. Diagnostic LED status (continued)
Blinking pattern
2
4
2
5
2
6
3
1
3
2
3
3
3
4
3
5
3
6
3
7
4
1
4
2
Real-Time Clock (RTC Reset)
The Real Time Clock (RTC) reset function allows you or the service technician to recover Dell Inspiron, systems from No
POST/No Power/No Boot situations. The legacy jumper enabled RTC reset has been retired on these models.
Problem description
Memory/RAM failure
Invalid Memory installed
System board error, chipset error, clock
failure, gate A20 failure, super I/O failure,
keyboard controller failure
CMOS battery failure
PCIe or video card/chip failure
BIOS recovery image not found
BIOS recovery image found but invalid
Power Rail Failure: EC ran into power
sequencing failure.
Flash corruption detected by SBIOS
Intel ME (Management Engine) time-out
error
Memory DIMM power rail failure
CPU power cable connection issue
Suggested resolution
● Reset the memory module.
● If problem persists, replace the
memory module.
● Reset the memory module.
● If problem persists, replace the
memory module.
● Flash latest BIOS version.
● If problem persists, replace the
system board.
● Reset the CMOS battery
connection.
● If problem persists, replace the
RTS battery.
● Replace the system board.
● 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 HECI message.
● If problem persists, replace the
system board.
● Replace the system board.
● Run PSU BIST.
● Remove and reconnect power
cables.
● If problem persists, replace the
system board or PSU based on
diagnostics run.
Troubleshooting
71
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