HP f2304 User Manual page 12

Setting Up the Monitor
2. Connect one end of the VGA monitor signal cable to the
VGA video connector on the rear panel of the computer,
and the other end to the back of the monitor.
Or
Connect one end of the DVI-D monitor signal cable to the
DVI video connector on the rear panel of the computer,
and the other end to the back of the monitor.
3–2 User's Guide