Front view

Figure 1. Front connectors, controls, and indicators

1 Power button

Press the power button to turn on your computer. If your computer is unresponsive, you can turn off the computer by pressing and holding the power button for four or more seconds.

2 Power indicator

When the power indicator is on, the computer is turned on.

3 Storage-drive activity indicator

This indicator shows the status of the internal storage drives (such as hard disk drives or solid-state drives).

On: The storage drives are active and data is being transferred.

Off (when the computer is powered on): The storage drives are not in use or no data is being transferred.

4 SD card slot (available on some models)

An SD card is installed on some computer models.

5 Microphone connector

Use this connector to attach a microphone to your computer when you want to record sound or if you use speech-recognition software.

6 Headset connector

Use this connector to attach a headset to your computer.

7 USB-C connector

The USB-C connector supports the USB Type-C™ standard. With an appropriate USB-C cable connected, you can use the connector to transfer data or charge your device.

8 USB 3.1 connectors Gen 1 (2)

Connect USB-compatible devices, such as a USB keyboard, a USB mouse, a USB storage device, or a USB printer.

9 USB 3.1 connectors Gen 2 (2)

With greater data transfer rate, the USB 3.1 connector Gen 2 is used to connect USB-compatible devices, such as a USB keyboard, a USB mouse, a USB storage device, or a USB printer.

10 Slim optical-drive eject button (available on some models)

Press the button to eject the tray of the slim optical drive. To close the tray, push the tray inward until you hear a click.

11 Flex bay (available on some models)

For more information, see Device in the flex bay.