Latitude 3540 Setup and Specifications

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Battery charge and status light

The following table lists the battery charge and status light behavior of your Latitude 3540.

Table 1. Battery charge and status light behaviorBattery charge and status light behavior
Power Source	LED Behavior	System Power State	Battery Charge Level
AC Adapter	Off	S0 - S5	Fully Charged
AC Adapter	Solid White	S0 - S5	< Fully Charged
Battery	Off	S0 - S5	11-100%
Battery	Solid Amber (590+/-3 nm)	S0 - S5	< 10%

S0 (ON) - System is turned on.
S4 (Hibernate) - The system consumes the least power compared to all other sleep states. The system is almost at an OFF state, expect for a trickle power. The context data is written to a hard drive.
S5 (OFF) - The system is in a shutdown state.