Power and battery-status light
Indicates the power state and battery state of the computer.
Solid white—Power adapter is connected and the battery is charging.
Solid amber—Battery charge is low or critical.
Off—Battery is fully charged.
NOTE: : On certain computer models, the power and battery-status light is also used for system diagnostics. For more information, see the Troubleshooting section in your computer’s Service Manual.
Microphones (4)
Provide digital sound input for audio recording, voice calls, and so on.