Thank you for the suggestions.
Allan: The display is recognized correctly by the computer, down to the brand and model number, but there are no monitor drivers available and the resolution/image scaling is still incorrect.
Rahul: I had noticed this option before. I can bring the horizontal dimension into the screen correctly, but the slider does not allow me to alter the vertical dimension - it resets to 100 every time and the vertical dimension of the image does not change on the screen.