Inspiron 15-3576 Service Manual

Diagnostics

Power and battery-status light/hard-drive activity light

Indicates the battery-charge status or the hard-drive activity.

Hard-drive activity light

Turns on when the computer reads from or writes to the hard drive.

Power and battery-status light

Indicates the power and battery-charge status.

Solid white — Power adapter is connected and the battery has more than 5 percent charge.

Amber — Computer is running on battery and the battery has less than 5 percent charge.

The power and battery-status light blinks amber along with beep codes indicating failures.

For example, the power and battery-status light blinks amber two times followed by a pause, and then blinks white three times followed by a pause. This 2,3 pattern continues until the computer is turned off indicating no memory or RAM is detected.

The following table shows the different power and battery-status light patterns and the problems that each light pattern indicates.

Camera status light: Indicates whether the camera is in use.

• Solid white — Camera is in use.
• Off — Camera is not in use.

Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.

• Solid white — Caps Lock enabled.
• Off — Caps Lock disabled.