If you cant recover Bios from CrashFree utility then I think you will have to RMA the MB.
You can try saving the BIOS file onto a USB then boot the system and enter BIOS that way.
Then you can update your BIOS by EZ Flash which is in the BIOS Tools page. After that, you can update the BIOS following the prompt of EZ Flash.
Just a thought and hope it helps.
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