- Notes, cautions, and warnings
- Working on your computer
- Disassembly and reassembly
- Troubleshooting
- Getting help
Blinking pattern | Problem description | Suggested resolution | |
---|---|---|---|
Amber | White | ||
1 | 2 | Unrecoverable SPI Flash Failure | |
2 | 1 | CPU failure |
|
2 | 2 | System board failure (included BIOS corruption or ROM error) |
|
2 | 3 | No memory/RAM detected |
|
2 | 4 | Memory/RAM failure |
|
2 | 5 | Invalid memory installed |
|
2 | 6 | System board / Chipset Error / Clock failure / Gate A20 failure / Super I/O failure / Keyboard controller failure |
|
3 | 1 | CMOS battery failure |
|
3 | 2 | PCI or Video card/chip failure |
Replace the system board. |
3 | 3 | BIOS Recovery image not found |
|
3 | 4 | BIOS Recovery image found but invalid |
|
3 | 5 | Power rail failure |
|
3 | 6 | SBIOS Flash corruption |
|
3 | 7 | Intel ME (Management Engine) Error |
|
4 | 2 | CPU Power Cable Connection Issue |