Still Trying to Connect

[JosephHohLee]

I got a hdmi cable and I'm trying to hook the cable in my recently built computer. However, it says "no cable connected" even though I plugged in all the cables for the BenQ Monitor. I need help. I changed it to hdmi setting but no success.

 

[JosephHohLee]

My motherboard nor does my graphics card has vga ports.