Dell Vostro V131 (Mid 2011) - Manual (Page 79)

Diagnostics
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Device Status Lights
Turns on when you turn on the computer and blinks when the computer is in a
power management mode.
Turns on when the computer reads or writes data.
Turns on steadily or blinks to indicate battery charge status.
Turns on when wireless networking is enabled.
LED Status
NOTE: There are four LEDs in front of the system.
If the computer is connected to an electrical outlet, the battery light operates as
follows:
LED Front Edge Power LED (Power Source: All; Battery Charge: 0–100%)
Hibernate Off
Standby
Breathing White
On Solid White
LED Front Edge Battery Charge LED (Power Source: Dell AC Adapter;
Battery Charge: >= fully charge)
Hibernate Off
Standby
Off
On Off
LED Front edge battery charge LED (Power Source: Dell AC adapter;
Battery Charge : <=fully charge)
Hibernate Solid White
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