Dell Inspiron 15 (3521, Late 2012) - Manual (Page 2)

1 Power-status light
Indicates the power state of the computer.
White light — Power adapter is connected and the
battery is fully charged.
2 Hard-drive activity light
Turns on when the computer reads from or writes to the
hard drive.
3 Battery-status light
Indicates the battery state of the computer.
Solid yellow light — Battery charge is low.
Blinking yellow light — Battery charge is critical.
4 Wireless-status light
Turns on when wireless is turned on.
5 Media-card reader
Reads from and writes to media cards.
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Specifications
Front
Left
Right
Base
Display
Front