Battery Charge LED | Off/Hibernate | Standby | |
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Battery mode | Discharging when Battery | Off | Off |
| charge is > 10% |
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| Discharging when Battery | Off | Blinking White |
| charge is <=10% |
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Device Status Lights
Turns on when you turn on the computer and blinks when the computer is in a power management mode.
Turns on when the computer reads or writes data.
Turns on steadily or blinks to indicate battery charge status.
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) , |
| Day Clock test 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 |
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