Lenovo 3569 Maintenance Manual page 72

Figure 1. Front connector, control, and indicator locations
1
Integrated microphone
2
Integrated camera indicator
3
Integrated camera
4
Power switch
5
Brightness +/ auto adjusting controls
6
Brightness -
1
Auto-adjusting control is enabled only while the computer is used in monitor mode.
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ThinkCentre Edge Hardware Maintenance Manual
7
Internal speaker
8
Card reader (available in some models)
9
USB connector
10
Headphone connector
11
1 Microphone connector
12
USB connector