How to connect a computer to another screen using HDMI | Signal Flow Chart How to connect a computer to another screen using HDMIEquipment needed:Computer/Laptop with HDMI portHDMI CableScreen/Computer Monitor with HDMI portWhat you do:Locate the HDMI port on your laptop.Plug on end of the HDMI cable into the HDMI port on your computer.Locate HDMI port on screen.Plug other end of HDMI cable into the HDMI port on the screen.Set the source input on the screen to HDMI.