Dell Vostro 5480 Manuel du propriétaire - Page 38

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Battery Charge LED

Battery mode

Discharging when Battery

charge is > 10%

Discharging when Battery

charge is <=10%

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.

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

System board: BIOS ROM failure

System board failure, covers BIOS corruption or ROM error

Memory

No memory/RAM detected

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

RAM Read/Write failure

Memory failure

Real-time clock power fail

CMOS battery failure

Video BIOS test failure

Video card failure

Off/Hibernate

Off

Standby

Off

Blinking White