Samsung N150BLACK 사용자 설명서

In models with a wireless LAN function, first make sure that 

the wireless LAN function is turned off.

You can connect USB devices to the USB port such as a

keyboard/mouse, digital camera, etc.

A port used to connect a monitor, TV or projector

supporting a 1pin D-SUB interface.

You can connect a Kensington lock to the Security Lock 

Port to prevent the computer from being stolen.