Dell OptiPlex 7050 Small Form Factor Owner's Manual page 65

Table 24. Power LED states (continued)
Power LED light status
Blinking white light
Steady white
NOTE: Amber LED blinking pattern : The pattern is 2 or 3 blinks followed by a short pause then X number of blinks up to
7. The repeated pattern has a long pause inserted in the middle. Example 2,3 = 2 amber blinks, short pause, 3 amber blinks
followed by long pause then repeats.
Table 25. Diagnostic power LED codes
State
-
-
-
State Name
-
-
-
Possible cause
Initial State of LED at power
up. Refer to the table below
for Blinking Amber pattern
diagnostic suggestions and
possible failures.
System is in a low power
state, either S1 or S3. This
does not indicate a fault
condition.
The computer is fully
functional and in the On state.
Blinking Amber
Pattern
2 blinks > short pause >
1 blink > long pause >
repeats
2 blinks > short pause >
2 blinks > long pause >
repeats
2 blinks > short pause >
3 blinks > long pause >
repeats
Troubleshooting steps
● Ensure the power cable is
connected to the system
board and processor.
● Press the power button to
bring the computer out of
the sleep mode.
● Ensure all power cables
are securely connected to
the system board.
● Ensure the main power
cable and front panel
cable are connected to the
system board.
If the computer is not
responding, do the following:
● Ensure the display is
connected and turned on.
● If the display is connected
and turned on, listen for a
beep code.
Problem Description
Bad Motherboard
Bad Motherboard,
Power Supply or Power
Supply cabling
Bad Motherboard,
Memory or Processor
Troubleshooting your computer
Suggested
Resolution
Replace the
motherboard
If customer can assist
to troubleshoot, narrow
down the issue with
PSU BIST Test, reseat
cable.
If nothing works,
replace the
motherboard, power
supply or cabling
If customer can assist
to troubleshoot, narrow
down the issue by
reseating memory and
swapping an available
known good memory.
If nothing works,
replace the
motherboard, memory
or processor
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