On your GA-B75M-D3H motherboard support server (rev. 1.1) there are BIOS downloads, none of which work for this board. Why is this and what is the solution?
Greetings and welcome.
Bios files - None of which work?
Which means what exactly? Please elaborate.
https://www.gigabyte.com/Motherboard/GA-B75M-D3H-rev-11/support#support-dl-biosWhat BIOS do you have now?
Which BIOS are you trying to update to?
Tell us the method you are using, what steps you performed, etc.
QFLASH, @BIOS, Upgrade from USB formatted how, BIOS file in root directory of disk... the more information you provide, the easier it might be for us to help.
Not sure home much effort you want to put towards this. The GA-B75M-D3H-rev-1.1 is a 10 yr old board.