how make double displayer work in core Graphics

here are my device info
Board:
  • CPU: Intel Core i-9400
  • GPU: UHD Graphics 630
  • Motherboard: B356M-kylin

there has only DVI and HDMI in board.
Now i has make the one of them in work,but can not work in same time.
How can I make it work?

Author: vilnius94