Lenovo S310 All-in-One - Manual (Page 84)

Figure 1. Front connector, control, and indicator locations
1 Integrated camera indicator 8 Internal speakers
2 Integrated camera 9 Card reader (available in some models)
3 Integrated microphones 10 USB connector
4 Power switch 11 Headphone connector
5 Brightness-up / Auto-adjusting control 1 12 Microphone connector
6 Brightness-down control 13 USB connector
7 VGA-in control
1 Auto-adjusting control is enabled only while the computer is used in monitor mode.
78 Lenovo S310 All-In-OneHardware Maintenance Manual