Code | Cause and Troubleshooting Steps |
| System board failure, covers BIOS corruption or ROM error |
2 | No RAM detected |
| No memory detected |
3 | Chipset Error (North and South Bridge Chipset, DMA/IMR/ Timer Error) , |
| failure , Gate A20 failure , Super I/O chip failure , Keyboard controller test failure |
| System board failure |
4 | RAM Read/Write failure |
| Memory failure |
5 | |
| CMOS battery failure |
6 | Video BIOS test failure |
| Video card failure |
7 | CPU - cache test failure |
| Processor failure |
8 | Display |
| Display failure |
LED Error Codes
Diagnostic LED codes are communicated via the Power Button LED. The Power Button LED blinks the corresponding LED codes for the corresponding fault condition. Example: For No Memory detected (LED code 2) , The Power Button LED blinks two times followed by a pause, blinks two times, pause, etc. This pattern continues until the system is powered off.
Code | Cause and Troubleshooting Steps |
1 | System board: BIOS ROM failure |
| System board failure, covers BIOS corruption or ROM error |
2 | Memory |
| No memory/RAM detected |
3 | Chipset Error (North and South Bridge Chipset, DMA/IMR/ Timer Error) , |
| failure , Gate A20 failure , Super I/O chip failure , Keyboard controller test failure |
| System board failure |
4 | RAM Read/Write failure |
| Memory failure |
5 | |
| CMOS battery failure |
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