HDMI TV connected and works, but shows the same as my monitor
So... I am not sure about how to make the TV not show the same thing as my monitor because i want to make it like a dual monitor setup. I have the Radeon RX 480, When i right click my desktop and go to the display settings the 1 and 2 are not there the full option of the 1 and 2 monitors is not there anymore i think it is gone after i had to reinstall windows. Thank you.
ALSO: when i turn off my monitor my TV it glitches im just trying to get a dual monitor setup.