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