| 1 Optical-drive eject/close button (available on some models) | 2 USB 3.0 connectors (2) |
| 3 Storage drive activity indicator | 4 Power button |
| 5 Power indicator | 6 Microphone connector |
| 7 Headphone connector | 8 SD card slot |
1 Optical-drive eject/close button
Press the button to eject or close the tray of the optical drive.
2 USB 3.0 connectors (2)
Use this connector to attach a USB-compatible device, such as a USB keyboard, mouse, storage drive, or printer.
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 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.
5 Power indicator
When the power indicator is on, the computer is turned on.
6 Microphone connector
Connect the microphone to your computer through the microphone connector.
7 Headphone connector
Connect the headphone to your computer through the headphone connector.
8 SD card slot
Insert a secure digital (SD) card into the slot to access the data on the card.