A:AnswerYou have to connect them to your computer in separate video ports on your motherboard or graphics card. If you need a good card to work with the freesync i recommened the rx 580 8gb. gread card for 1080p and 144hz
A:AnswerThe Xbox one X supports higher frame rates but most games are locked at 30-60FPS. Verify you are playing a higher resolution supported title and your settings on your Xbox are correct. Reach out to Microsoft support or the Geek Squad if you need assistance.