3 monitors not working at the same time?

Question

Monitors

Hello!
There is a computer with uhd 630 and a motherboard with 3 video outputs (VGA, DVI, HDMI).
I want to use all 3 monitors, but only 2 work.
In the settings I try to turn on the 3rd monitor, but then the second one turns off and the 3rd turns on.
Settings screen:

Answer 1

Probably the mother herself does not allow this. I recommend installing an external video card.

Answer 2

Not all mothers, especially built-in mothers, can pull 3 monitors on themselves. The 3 connectors are like connection options and the kernel can only render a maximum of 2 at the same time