Dell Precision 5820 Tower D02T User Manual

Preboot blinking power button codes
Table 21. Power button LED state
Power Button LED State Description
O Power is O. LED is blank.
Blinking Amber Initial State of LED at power up. See the table below for Blinking
Amber pattern diagnostic suggestions and possible failures.
Blinking White System is in a low power state, either S1 or S3. This does not
indicate a fault condition.
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 ne.
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 Indicator table
Power Light: Amber-White
Blinking
Amber/White Blinking Pattern Problem Description Suggested Resolution
1-1 1 amber blink followed by a short
pause, 1 white blink, long pause,
then repeats
Faulty System board
To troubleshoot the issue with
system board, contact Tech
support.
1-2 1 amber blink followed by a short
pause, 2 white blinks, long
pause, then repeats
Bad system board, Power
Supply or Power Supply cabling
• If you can assist to
troubleshoot, narrow down
the issue with PSU BIST
Test, reseat cable.
• If nothing works, contact
Tech Support
1-3 1 amber blink followed by a short
pause, 3 white blinks, long
pause, then repeats
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 2 amber blinks followed by a
short pause, 1 white blink, long
pause, then repeats
Bad Processor
• CPU conguration activity is
in progress or a CPU failure
was detected.
• Contact Tech Support
2-2 2 amber blinks followed by a
short pause, 2 white blinks, long
pause, then repeats
Motherboard: BIOS ROM failure
• System is in Recovery Mode.
• Flash latest BIOS version. If
problem persists, contact
Tech Support
Troubleshooting 93

Dell Precision 5820 Tower D02T Specifications

General

Brand	Dell
Model	Precision 5820 Tower D02T
Category	Desktop
Language	English