Service Tag
The service tag is a unique alphanumeric identifier that allows Dell service technicians to identify the hardware components in
your computer and access warranty information.
Figure 9. Service Tag
Battery charge and status light
The following table lists the battery charge and status light behavior of your Precision 5690.
Table 1.
Battery 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, except for a trickle power. The context data is written to a hard drive.
● S5 (OFF) - The system is in a shutdown state.
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