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Battery Charge LED Off/Hibernate Standby
Battery mode Discharging when Battery
charge is > 10%
Off Off
Discharging when Battery
charge is <=10%
Off Blinking White
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) , Time-Of-
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 Real-time clock power fail
CMOS battery failure
6 Video BIOS test failure
Video card failure
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