Dell OptiPlex 5055 Ryzen Small Form Factor OptiPlex 5055 Small Form Factor Own - Page 66

Table 32. Power LED states continued, Table 33. Diagnostic power LED codes, Power LED light status

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Table 32. Power LED states (continued) Power LED light status Possible cause Troubleshooting steps ● Ensure the display is connected and turned on. ● 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 33. Diagnostic power LED codes State State Name - - Blinking Amber Pattern Problem Description 2 blinks > short pause > Bad Motherboard 1 blink > long pause > repeats Suggested Resolution Replace the motherboard - - 2 blinks > short pause > Bad Motherboard, If customer can assist 2 blinks > long pause > repeats Power Supply or Power to troubleshoot, narrow Supply cabling down the issue with PSU BIST Test, reseat cable. If nothing works, replace the motherboard, power supply or cabling - - 2 blinks > short pause > Bad Motherboard, If customer can assist Memory or Processor 3 blinks > long pause > repeats 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 > Bad coin cell battery If customer can assist 4 blinks > long pause > repeats 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 > BIOS Checksum Failure System is in Recovery 5 blinks > long pause > Mode. repeats Flash latest BIOS version. If problem persists, replace the motherboard 66 Troubleshooting

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Table 32. Power LED states (continued)
Power LED light status
Possible cause
Troubleshooting steps
●
Ensure the display is
connected and turned on.
●
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 33. 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
66
Troubleshooting