Ok so turning on CSM after while booting with 4070 fixes problem.
Turning on CSM then booting with Display port shows no Red light
But still there's no Splash screen, or. Bios access, looks like CSM only turns off Red light.
But the problem where "there's no Boot screen and Bios by Display...
I use WhatsApp calls during work. So if I use iGPU, it works fine. If I use GPU my WhatsApp stays in background and my mic doesn't input voice into WhatsApp calls.
F9 is my bios version
PC Part models:
CPU: 13900k
Cooler: Silverstone PF240-ARGB PF Series liquid Cooler - Dual Fan - 240mm...
One day I saw update on GIGABYTE CONTROL CENTER. It was something like "...4070oc....". i believe it was gpu firmware/bios update.
13900k
Gigabyte B760 GAMING X AX
Gigabyte RTX 4070 Gaming OC
i keep montor connected to Display port (motherboard)
after update PC restarted and bios opened up for...