How do I adjust the size of my computer output to my TV screen using HDMI? | Tom’s Guide Forum.Resizing your desktop to fit the screen
Fortunately, adjusting the computer screen size of TV is really easy as long as you understand the basic principles behind this. This will give you a solid image quality, but the audio quality will be lower than what you would get from an HDMI cable.
Fix Resolution When Using Your HDTV as a Monitor – Fixing TV Resolution: Television Settings
This means that parts of the desktop area will not be shown.