Dell OptiPlex 3050 Tower Owners Manual - Page 83

Blinking Amber Pattern, Suggested Resolution

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Power LED light status Possible cause Troubleshooting steps • If the display is connected and turned on, listen for a beep code. 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 28. Diagnostic power LED codes State State Name - - - - - - - - S1 RCM S2 CPU Blinking Amber Pattern 2 blinks > short pause > 1 blink > long pause > repeats Problem Description Bad Motherboard Suggested Resolution Replace the motherboard 2 blinks > short pause > 2 blinks > long pause > repeats Bad Motherboard, Power Supply or Power Supply cabling 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 2 blinks > short pause > 3 blinks > long pause > repeats Bad Motherboard, Memory or Processor 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 2 blinks > short pause > 4 blinks > long pause > repeats Bad coin cell battery If customer can assist to troubleshoot, narrow down the issue by swapping a known good coin cell battery if available. If nothing works, replace the coin cell battery 2 blinks > short pause > 5 blinks > long pause > repeats BIOS Checksum Failure System is in Recovery Mode. Flash latest BIOS version. If problem persists, replace the motherboard 2 blinks > short pause > 6 blinks > long pause > repeats Bad Processor CPU configuration activity is in progress or a CPU failure was detected. Replace the processor Troubleshooting your computer 83

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Power LED light status
Possible cause
Troubleshooting steps
•
If the display is connected
and turned on, listen for a
beep code.
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 28. Diagnostic power LED codes
State
State Name
Blinking Amber Pattern
Problem Description
Suggested Resolution
-
-
2 blinks > short pause >
1 blink
> long pause >
repeats
Bad Motherboard
Replace the motherboard
-
-
2 blinks > short pause >
2 blinks > long pause >
repeats
Bad Motherboard, Power
Supply or Power Supply
cabling
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
-
-
2 blinks > short pause >
3 blinks > long pause >
repeats
Bad Motherboard,
Memory or Processor
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
-
-
2 blinks > short pause >
4 blinks > long pause >
repeats
Bad coin cell battery
If customer can assist to
troubleshoot, narrow
down the issue by
swapping a known good
coin cell battery if
available.
If nothing works, replace
the coin cell battery
S1
RCM
2 blinks > short pause >
5 blinks > long pause >
repeats
BIOS Checksum Failure
System is in Recovery
Mode.
Flash latest BIOS version.
If problem persists,
replace the motherboard
S2
CPU
2 blinks > short pause >
6 blinks > long pause >
repeats
Bad Processor
CPU
configuration
activity is in progress or a
CPU failure was
detected. Replace the
processor
Troubleshooting your computer
83