Table 25. Power LED states (continued)
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 26. 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 > Bad Processor
CPU configuration
activity is in progress
or a CPU failure was
54
Troubleshooting your computer
