Black screen after loading the desktop

Hello everyone.

I was finally able to install OS Ventura on my hardware (m/b DFI-SD106-Q170, CPU - i3-7300, iGPU - HD 630). Bootloader OC 0.9.9. macOS 13.6.5

I ran into a problem: after loading the desktop, after 5 seconds there is a black screen. If you reconnect the monitor cable, the image appears again.
The assumption is that the system switches to another connector.

1. There is a DP output on the motherboard. There is still an LVDS on the board, but I disabled it in the BIOS.
2...

Read more