Dell Precision 7540 Service Manual page 97

Table 4. Battery status LED (continued)
Power Source
Battery
● S0 (ON) — System is turned on.
● S4— 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 hard drive.
● S5 (OFF) — The system is in a shutdown state.
LED behavior
Off
System Power State
S4/S5
Battery Charge Level
0-100%
Troubleshooting 97