Dell Precision 5820 Tower, Руководство пользователя

Страница: 113 / 118

Table 21. Power button LED state (continued)
Power Button LED State Description
Solid Amber 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.
Solid White 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.
Table 22. Diagnostic LED behavior
Blinking pattern
Problem description Suggested resolution Amber White
1 1 Faulty System board
To troubleshoot the issue with
system board, contact Tech
support.
1 2 Bad Power_Ctrl Cable,
System Board or, PSU
● 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
1 3 Bad system board, Memory or
Processor
● 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
2 1 Bad Processor ● CPU configuration activity
is in progress or a CPU
failure was detected.
● Contact Tech Support
2 2 Motherboard: BIOS ROM
failure
● System is in Recovery
Mode.
● Flash latest BIOS version.
If problem persists,
contact Tech Support
2 3 No Memory ● 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
2 4 Memory/RAM failure ● If customer can assist
to troubleshoot, narrow
Troubleshooting 113