You can easily use the HDMI port of your pc just like you are using it on the laptop. This is how you can connect your PC to some external display device. 1. Insert one end of the HDMI cable into the HDMI output port given in your pc. 2. Now insert the other end of the cable on your display device or HDTV. This way, you have easily connected your pc to an external monitor screen or another display device. The same method is applied for connecting your laptop to an external monitor screen or HDTV.