Which cable do you need to connect a monitor to a laptop?
A monitor cable - usually VGA, HDMI, DVI or DisplayPort ("DP"), rarely mini-HDMI or mini-Displayport.
Check the sockets on your laptop to see if there are any of these abbreviations.
Hdmi or VGA or Dvi or Displayport or svideo depending on the monitor and laptop.
If it has an HDMI connection, an HDMI cable. If it has a VGA connector, a VGA cable. If it has a DVI connector, a DVI cable