This is not a proper BIOS, downgrade help.

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blascoope

Prominent
Sep 12, 2017
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I want to downgrade my bios to it`s latest version and it says this is not a proper BIOS

My mb is b250m asus prime.. do i need to rename something?

Im using ez flash 3..
 
Solution
DRagor
Try downgrading to version that has introduced Optane support. Many boards will not allow coming back to more older BIOS then that - not sure if ASUS works that way too, but that is quite possible. For B250M-plus that 0607
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DRagor

DRagor

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Jan 23, 2017
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Try downgrading to version that has introduced Optane support. Many boards will not allow coming back to more older BIOS then that - not sure if ASUS works that way too, but that is quite possible. For B250M-plus that 0607
 
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