Question cannot update my bios

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it wont let me update my bios anyone can help?
i did everything per instructions tried following number of guides tried inserting the usb to 3 diffrent ports (3,2,BIOS) i even tried older versions and its always the same:
i go the Mflash i see the file click it and no confimartion msg pops up i also tried using the bios button nothing worked.
here some details :
am experiencing an issue with my MSI Z790-A PRO WIFI motherboard. My current BIOS version is E7E07IMS.M40.

Problem:

M-Flash refuses to confirm any BIOS file, including the newest official version and slightly older versions.

BIOS Flashback with a properly prepared USB stick also fails — the LED either does not flash or never completes the update.

I have tried a USB stick (32GB, FAT32) and confirmed that the BIOS files are correct for the Z790-A PRO WIFI model.

I have also loaded optimized defaults.

 

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side note: i have my 32gb ram card in the wrong slot(A instead of B) because my cpu fan is too big for me to fit it on B. could that be the cause?