Table 37. Disgnostic LED states
Amber LED state White LED state System state Notes
2 1 CPU failure
Run the Intel CPU diagnostics
tools
If problem persists, replace the
system board
2 2 System board failure (included
BIOS corruption or ROM error)
Flash latest BIOS version
If problem persists, replace the
system board
2 3 No memory/ RAM detected
Confirm that the memory
module is installed properly
If problem persists, replace the
system board
2 4 Memory/ RAM failure
Reset the memory module
If problem persists, replace the
system board
2 5 Invalid memory installed
Reset the memory module
If problem persists, replace the
system board
2 6 System board/ Chipset error
Flash latest BIOS version
If problem persists, replace the
system board
2 7 LCD failure
Flash latest BIOS version
If problem persists, replace the
system board
2 8 LCD Power rail failure
Replace the system board
3 1 CMOS battery failure
Reset the CMOS battery
connection
If problem persists, replace the
system board
3 2 PCI or Video card/ chip failure
Replace the system board
3 3 BIOS Recovery Image not found
Flash latest BIOS version
If problem persists, replace the
system board
3 4 BIOS Recovery Image found but
invalid
Flash latest BIOS version
If problem persists, replace the
system board
3 5 Power rail failure
EC ran into power sequencing
failure
If problem persists, replace the
system board
Troubleshooting 41
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