BIOS flash image file unrecognized on Z790 Pro RS

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   I have a brand new Z790 Pro RS motherboard, but it's impossible to upgrade (flash) BIOS.

When I press the Instant Flash button in BIOS (UEFI) it says: "No image file detected".

I tried 2 different USB sticks formatted as Fat32. There is only an unzipped BIOS image file ("BIOS Z790-Pro-RS_3.12.ROM") on the USB.

The USB drive is visible in UEFI-setup. I also tried pressing the F6 button when booting, but I still get "No image file detected".

What could be wrong?

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Balint Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 19 Dec 2022 Status: Offline Points: 20	Post Options Post Reply Quote Balint Report Post Thanks(0) Quote Reply Topic: BIOS flash image file unrecognized on Z790 Pro RS Posted: 19 Dec 2022 at 5:33am
	I have a brand new Z790 Pro RS motherboard, but it's impossible to upgrade (flash) BIOS. When I press the Instant Flash button in BIOS (UEFI) it says: "No image file detected". I tried 2 different USB sticks formatted as Fat32. There is only an unzipped BIOS image file ("BIOS Z790-Pro-RS_3.12.ROM") on the USB. The USB drive is visible in UEFI-setup. I also tried pressing the F6 button when booting, but I still get "No image file detected". What could be wrong?