BIOS downgrade help

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  • Peharis
    PCHF Member
    • Apr 2023
    • 43

    #1

    BIOS downgrade help

    Hello, so i had problem with the newest bios causing stutters on my B450 k4 f4tality, i managed to downgrade it from 5.30 to 3.20 from instant flash, with usb stick. The problem i have now is that i cant downgrade it more (i want it on 1.80), the error i encounter is “Invalid File”, also i have tried to go to 3.10 since its the one below 3.20.
    This is the website i downloaded the bios. https://www.asrock.com/mb/amd/fatal1ty b450 gaming k4/index.asp#BIOS. The usb is FAT32.
  • Rustys
    PCHF Member
    • Jul 2016
    • 7862

    #2
    Why ae you needing to downgrade?

    Comment

    • Rustys
      PCHF Member
      • Jul 2016
      • 7862

      #3
      The BIOS page states.
      *** User will not able to flash previous BIOS once upgrading to this BIOS version.

      You will have to probably contact the mother board manufacture to see if there is anything that can be done.

      Comment

      • Peharis
        PCHF Member
        • Apr 2023
        • 43

        #4
        There is this video:
        [MEDIA=youtube]ZzqwjVDKAnU[/MEDIA], list: PLrTmjpuuKd8bSthcnIp1LE3Y1V4mMYEiQ
        , the guy is able to downgrade it

        Comment

        • Rustys
          PCHF Member
          • Jul 2016
          • 7862

          #5
          Just because some people claim to does not mean that they did.

          The video shows unavailable.

          Comment

          • Peharis
            PCHF Member
            • Apr 2023
            • 43

            #6
            Well i already downgraded it from P5.30 to P3.20 even if it’s stated that you cant downgrade. I did this by using Flash Disk in BIOS, now i get an error saying “Invalid file” when trying to get to P1.80.

            Comment

            • Rustys
              PCHF Member
              • Jul 2016
              • 7862

              #7
              Again you best bet would be to contact the motherboards manufacture.
              Originally posted by Rustys
              Why ae you needing to downgrade?

              Comment

              • Peharis
                PCHF Member
                • Apr 2023
                • 43

                #8
                Alright, the reason im downgrading it’s because i got stuttering in games, i went to the lastest bios which caused stutters.

                Comment

                • phillpower2
                  PCHF Administrator
                  • Sep 2016
                  • 15205

                  #9
                  Answered here, thread closed.

                  Comment

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