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How to Run BIOS Flash in DOS

Performing a "flash," or replacement, of a BIOS file will add features to your computer's BIOS in addition to fixing bugs plaguing previous iterations of the BIOS software. Carry out this operation in DOS, as the BIOS cannot update when the operating system is currently running in many cases. Perform the flash with a boot disk and a disk containing your updated BIOS files.

Things You'll Need

  • DOS boot disk
  • Disk containing the BIOS file and flash utility for your computer
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Instructions

    • 1

      Insert the boot disk into the computer and restart it.

    • 2

      Press any key when prompted to boot into DOS.

    • 3

      Insert the BIOS file disk into the computer.

    • 4

      Type "x:biosflash" and press "Enter," replacing "x" with the drive letter of the drive containing the BIOS disk and "biosflash" with the name of your BIOS flash utility (e.g. awdflash.exe).

    • 5

      Input the name of the BIOS file that you wish to update, and press "Enter" to flash the BIOS.

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