HDMI Video Resolution

[patmolloy]

The keyword is "Overscan" (google it for your TV) and it is not something you usually fix in the operating system (meaning your archlinux) but on your TV. Look for screen settings like scaling, or aspect ratio settings and see what is available. Usually the TV should have an option that will work.

No need to change the resolution.

Fantastic, buried 4 levels deep in a menu were some options I've never seen before .. "Picture Size = Screen Fit" has done the trick !!

Thanks ever so much for the quick and excellent help 

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Agreed,  I had the same problem on one tv but not another.  I went into the menus and found where the tv could do things like, zoom, stretch, dot for dot, etc.  The fix was selecting dot for dot on mine.

Good luck

Fixed too !!