Device Status Lights; Battery Status Lights - Dell Latitude 3570 Owner's Manual

Device Status Lights

Icon Description
Turns on when you turn on the computer and blinks when the computer is in a power
management mode.
Turns on steadily or blinks to indicate battery charge status.

Battery status lights

If the computer is connected to an electrical outlet, the battery light operates as follows:
Alternately blinking An unauthenticated or unsupported non-Dell AC adapter is attached to your
amber light and laptop.
white light
Alternately blinking Temporary battery failure with AC adapter present.
amber light with
steady white light
Constantly blinking Fatal battery failure with AC adapter present.
amber light
Light off Battery in full charge mode with AC adapter present.
White light on Battery in charge mode with AC adapter present.
41