That looks like VRAM corruption, though it's unlikely that the only ram corruption occurs in the video ram and only when the BIOS settings are on, but maybe the issue lies in the graphics adapter in that specific video mode.
Does this happen only when entering the BIOS settings? What about during POST (when the motherboard logo is on screen) or after post when the OS is loading before the graphics driver is loaded?
Let's not forget:
I in looking at your Microsoft, Intel, Autodesk, HPE, Xilinx...