Dell Vostro 3890, Service Manual

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Table 30. Diagnostic LED status (continued)
Blinking pattern Problem description Suggested resolution
2 4 Memory/RAM failure
● Reset the memory module.
● If problem persists, replace the
memory module.
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.
● EC ran into power sequencing
failure.
● If problem persists, replace the
system board.
3 6 Flash corruption detected by SBIOS
● Flash corruption detected by
SBIOS.
● If problem persists, replace the
system board.
3 7 Intel ME (Management Engine) time-out
error
● Timeout waiting on ME to reply
to HECI message.
● If problem persists, replace the
system board.
4 1 Memory DIMM power rail failure
● Replace the system board.
4 2 CPU power cable connection issue
● Run PSU BIST.
● Remove and reconnect power
cables.
● If problem persists, replace the
system board or PSU based on
diagnostics run.
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.
Troubleshooting 71