How to Flash BIOS With Afudos

Written by c.d. crowder Google
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How to Flash BIOS With Afudos
Flash the BIOS with a floppy disk. (floppy disk image by Marek Kosmal from Fotolia.com)

Flash your ASUS Basic Input/Output System using the AFUDOS flash utility. The utility is provided with most ASUS systems that support the use of AFUDOS. AFUDOS uses a floppy disk to boot into DOS mode on your ASUS system. Flash the BIOS to update to the latest version of the BIOS software. Updated BIOS software addresses problems that often occur as hardware is upgraded or new operating systems are released. After trying other troubleshooting, flash the BIOS to potentially solve problems.

Skill level:
Moderate

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Things you need

  • AFUDOS utility
  • Blank floppy disk
  • Motherboard support CD (optional)

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Instructions

  1. 1

    Insert a floppy disk into your floppy disk drive.

  2. 2

    Go to "My Computer."

  3. 3

    Right click the floppy disk and choose "Format."

  4. 4

    Press "Format."

  5. 5

    Download the latest AFUDOS BIOS utility from the link in the Resources section. Choose your product, series and model to view the correct AFUDOS version for your system.

    If you are flashing the BIOS for the first time, use the motherboard support CD included with your ASUS system. Browse the CD for "AFUDOS.exe."

  6. 6

    Unzip the AFUDOS.exe BIOS utility. Use any decompression tool supporting .zip files. Some operating systems allow you to right click the file and choose "Extract All."

  7. 7

    Copy "AFUDOS.exe" to the formatted floppy disk.

  8. 8

    Write down the full name of the BIOS update file. The file has a .rom extension.

  9. 9

    Restart your system with floppy disk inserted.

  10. 10

    Wait for the DOS prompt to appear. If your system boots as normal, enter your BIOS and choose "Floppy Disk" as the first boot device. Steps for entering your BIOS are listed on the first screen during the boot process.

  11. 11

    Type "afudos /biosfilename" where biosfilename is the full name of the BIOS update file.

  12. 12

    Press "Enter."

  13. 13

    Remove the floppy disk and restart your system.

Tips and warnings

  • See the File Compression link in the Resources section for decompression software.
  • Do not turn off your computer during the BIOS update process.

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