HDMI port not detected on Ubuntu

TV HDMI ports enable you to connect your TV to other devices, transferring high-quality audio and video You are free to connect them to your gaming devices,

How do I connect my PC to the TV using HDMI cable? · Locate the HDMI port on the rear of your TV · Connect one end of the HDMI cable to port on the TV · Connect

hdmi cable slot Well, how a HDMI switch works is simple You have one output and a selection of inputs that you plug your games consoles

hdmi slot Those look somewhat like USB ports if you can see any such thing at the back or back side of the tv ?If not then could you please give me that