Lenovo LI2331 Wide Flat Panel Monitor - Manual (Page 9)

Chapter 1.
1-5
4. Connect the digital cable to the DVI connector of the monitor and the other end
on the back of the computer.
5. Connect one end of the HDMI cable to the monitor HDMI connector and the other
end to the computer if it has one HDMI output connector.
6. Connect the earphone to the audio jack of the monitor (The sound is from HDMI
only).
DVI
HDMI