Black screen on LG after turning on the monitor

Help
1

Hi
When I turn on my computer without my LG UltraGear 27GN800P-B monitor turned on, a black screen appears a few minutes after turning it on. The computer is connected to the monitor via DisplayPort 1.4 cable, and the operating system is Archlinux with KDE Plasma 6.

2

hi, welcome.

if you could post the system info and describe in more detail the steps you are taking it might help others to see what the issue is