You are once again misunderstanding their question. They asked about BIOS. There is N ...
Hello there,
Thanks for your clarification.
I understand that he cannot go into the BIOS with 4K monitor, so I suggest him to change the resolution and the refresh rate ,then restart the PC to see if it works or not. Some monitors have a specific display setting or resolution requirement for accessing the BIOS.
His BIOS is the latest, so no need to update it.