Dell Precision 5820 Tower Owner's Manual page 113

Table 21. Power button LED state (continued)
Power Button LED State
Solid Amber
Solid White
Table 22. Diagnostic LED behavior
Blinking pattern
Amber
1
1
1
2
2
2
2
Description
The second state of the LED at power up, indicates that the
POWER_GOOD signal is active and it is probable that the
power supply is fine.
System is in S0 state. This is the normal power states of a
functioning machine. The BIOS will turn the LED to this states
to indicate it has started fetching op-codes.
White Problem description
1
2 Bad Power_Ctrl Cable,
System Board or, PSU
3 Bad system board, Memory or
1
2 Motherboard: BIOS ROM
3
4 Memory/RAM failure
Faulty System board
Processor
Bad Processor
failure
No Memory
Suggested resolution
To troubleshoot the issue with
system board, contact Tech
support.
● Make sure Power_Ctrl
Cable is connected.
● Remove PSU and test
BIST button outside of
the system first, if failed,
replace PSU. If not, install
back the PSU and test the
BIST button again.
● If nothing works, contact
Tech Support for system
board replacement
● If you can assist
to troubleshoot, narrow
down the issue by
reseating memory and
swapping a known good
memory if available.
● If nothing works, contact
Tech Support
● CPU configuration activity
is in progress or a CPU
failure was detected.
● Contact Tech Support
● System is in Recovery
Mode.
● Flash latest BIOS version.
If problem persists,
contact Tech Support
● If customer can assist
to troubleshoot, narrow
down the issue by
removing the memory
module one by one to
determine which one failed
and swapping to a known
good memory if available
to confirm.
● Contact Tech Support
● If customer can assist
to troubleshoot, narrow
Troubleshooting 113