Lenovo IdeaCentre B520e - Manual (Page 26)

Rear view
The following illustration shows the location of connectors on the rear of the computer.
Attention: Be sure not to block any air vents on the computer. Blocked air vents may cause overheating.
9
1. Power socket 6. Bluetooth reset button (Only functional on models
equipped with a Bluetooth module)
2. Ethernet port 7. AV-IN ports (Selected models only)
3. USB ports (4) 8. TV tuner connector (Selected models only)
4. HDMI in port (Selected models only) 9. Built-in microphone
5. HDMI out port
20 IdeaCentre B520e Hardware Maintenance Manual