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Bios won't display with rog strix oc 4090 to 4k monitor

Level 7

I've read much online about the RTX 40xx series graphic cards not displaying the BIOS screen during startup.

I'm having a similar problem that I can't seem to solve.

So far I've updated the ASUS Mobo Bios, Updated the Intel ME, Installed all of the latest Nvidia Graphics Drivers,
and performed the Nvidia "FIX" that supposedly solves the blank display problem during startup.

However, none of the above solved the blank screen issue during bootup on my 4K monitor using display port or HDMI.

The BIOS will display on an HD monitor using display port just fine.

I can't think of much more to do regarding this issue and was looking for additional suggestions from the community.

Thanks in advance for any input !

System Specs:
ASUS ROG Maximus Z790 Extreme
ROG Strix OC RTX 4090
TUF VG28UQL1A 4K Gaming Monitor
G.SKILL Trident Z5 RGB Series 32GB (2 x 16GB)
Samsung - 980 PRO 2TB Internal Gaming SSD PCIe Gen 4 x4 NVMe
CORSAIR - HXi Series HX1000i 80 PLUS Platinum Power Supply

Level 7


Level 7

Level 7