The instructions on the DELL notebook indicate who knows
; amber lights: for stable open or standby battery >=10%; to open and close out: standby or hibernation, battery >10%
The third is the battery indicator light, a white light is stable: opening and closing, standby or hibernation, battery <98%
The second is the hard disk drive indicator light that lights up when the computer reads or writes data, indicating that the hard disk drive is active.
The first is the power indicator, which is white and steady: the computer is on the blink; it is white; slow flashing: the computer is in standby mode; goes out: the computer is closed or in a sleep state.
