I am learning as well. What is your computer display setting now? Your tv do have a vga connection and does the tv manual mention anything about its use and setting?
I want to connect a small 1080p TV that to my computer using a VGA cable to my computer to use as a monitor. My tv only was one HDMI port which i'm using for something else so i have to use VGA. Only thing is that i am unable to set the output to resolutions that take up the full 16:9 aspect ratio of the TV rather a 4:3 picture in the middle of the screen.
I want to know wether there are any drivers i can install or solutions to display 1080p out of the VGA port.

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