Dell G5 5090 - System Diagnostic Lights

Amber LED state White LED state System state Description
2 6 BIOS state 2 BIOS Post code (Old LED
pattern 0010) CPU config or
CPU failure.
2 7 BIOS state 3 BIOS Post code (Old LED
pattern 0011) MEM config in
process. Appropriate mem
modules detected but failure has
occurred.
3 1 BIOS state 4 BIOS Post code (Old LED
pattern 0100) Combine PCI
device config or failure with
video sub sytem config or failure.
BIOS to eliminate 0101 video
code.
3 2 BIOS state 5 BIOS Post code (Old LED
pattern 0110) Combine storage
and USB config or failure. BIOS
to eliminate 0111 USB code.
3 3 BIOS state 6 BIOS Post code (Old LED
pattern 1000) MEM config, no
memory detected.
3 4 BIOS state 7 BIOS Post code (Old LED
pattern 1001) Fatal Motherboard
error.
3 5 BIOS state 8 BIOS Post code (Old LED
pattern 1010) Mem config,
modules incompatible or invalid
config.
3 6 BIOS state 9 BIOS Post code (Old LED
pattern 1011) combine "Other
pre-video activity and resource
configuration codes. BIOS to
eliminate 1100 code.
3 7 BIOS state 10 BIOS Post code (Old LED
pattern 1110) Other pre-post
activity, routine subsequent to
video init.
Identifier GUID-5F241F58-AE5B-4819-877C-A04F4940C36F
Status Released
System diagnostic lights
Power-supply diagnostics light
Indicates the power-supply state.
Hard-drive activity light
Turns on when the computer reads from or writes to the hard drive.
Table 18. LED codes
Diagnostic light codes Problem description
2,1 System board failure
2,2 System board, PSU, or cabling failure
2,3 System board, memory, or processor failure
Troubleshooting 77