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Question MSI B450 TOMAHAWK MAX Bios file not showing in M-FLASH

Jul 14, 2020
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Hi, I've been trying to update my bios and I've been downloading the bios file from the msi website (https://www.msi.com/Motherboard/support/b450-tomahawk-max ) and have extracted it and put it on a usb (fat32) just in the main directory and have ejected it and tried to go into the bios to update it and when I try to locate the bios file nothing appears, it has found the usb stick and other files in the usb but just doesn't show the bios file. Any ideas why?

Thanks :)
 

Zerk2012

Polypheme
Ambassador
Does Mflash still require renaming to msi.rom? Thought that was only for flashback. If it requires renaming that might be why. Otherwise, it's the wrong board and Mflash is ignoring the file as a protective measure.
Not using Mflash.
Love the red warning.

https://www.msi.com/page/biosflash


WARNING!!!!!

DON'T FLASH WHEN YOUR SYSTEM IS RUNNING FINE!!!!

DON'T FLASH IF YOU DON'T KNOW WHAT YOU ARE DOING!
 
Jul 14, 2020
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Did you rename the file?

I would also question why your trying to update it. Never update just because their a new version only update if it addresses a specific problem your having.
I didn't rename the file, I wasn't aware I needed to. And the issue I'm having is that my gpu has a low usage % whilst I'm getting no cpu bottleneck on Assassins Creed Odyssey. I've tried a lot of different things to solve it and found someone that said updating their motherboard bios fixed it so I thought I'd give it a shot.
 
Jul 14, 2020
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Extracting the zip didn't create a folder on the stick yeah? Bios file itself is on the usb root directory?
It created a folder, I've tried whilst it being in the folder and have tried it when putting it in the root directory. Both had the same result
 
Jul 14, 2020
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File mustn't be in a folder anyway, for future reference.

Try renaming it to msi.rom
From reading that warning message I'm questioning whether or not I should even be doing this. What is the worst that could happen if I am to update my bios?
 

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