In some cases, creating a USB bootable MS-DOS disk is useful for performing BIOS updates or other tasks that require booting the computer into DOS environment. Since Windows 10,11 & 8 OS, doesn't offer the option to create a Bootable USB DOS disk, you need a third party utility to perform that task.
In this tutorial you'll learn how to create a MS-DOS bootable USB disk by using the RUFUS and the HP USB Disk Storage Format Tools in Windows 10.
How to Create a Bootable DOS USB Disk on Windows 10/11.
Method 1. How to Create a USB DOS Bootable Disk in Windows 11, 10 or 8.1 with Rufus.
1. Download the latest version of Rufus USB Creator Utility.
2. Plug an EMPTY USB flash drive on your computer.
3. Open the downloaded file to launch the "Rufus Creator Utility"
4. At 'Device' options, choose the empty USB drive.
5. At 'Boot Selection' select FreeDOS. *
6. Leave all other options untouched and click the START button.
* Note: FreeDOS is a free operating system and DOS compatible. If you need to create an MS-DOS bootable USB disk see at the end of this article.
7. Finally, ensure that you have selected the correct drive and click OK at the warning message to proceed. *
* Warning: After pressing 'OK' all the data on the selected USB drive will be deleted.
8. When the operation is completed click CLOSE.
9. Copy if you want any other files on the drive and you're done! *
* Note: To boot your system from the DOS USB drive, enter the BIOS settings and set the USB drive as the first boot device in the 'Boot Order' settings.
Method 2. How to Create a MS-Bootable USB Disk in Windows 10 with HP USB Disk Storage Format Tool.
2. Double click on the downloaded Win98_bootdisk.iso file to mount (open it) as a drive on Windows Explorer.
4. Right-click on the "HPUSBDisk.exe", and choose Run As Administrator.
4. At HP USB Disk Storage Format Tool options:
a. Select the Empty USB drive.
b. Check the Create a DOS startup disk option.
c. Click on the three dots button to browse for the DOS files.
d. Choose the DVD Drive named "Win98" and hit OK.
5. Cick the Start button to create the USB MS-DOS Boot Disk.
6. Ask Yes at the warning message to format the USB drive. (After pressing 'Yes' all the data on the selected USB drive will be deleted)
* Note: If after pressing 'Yes', you receive the error "Device media is write protected", then delete the volume on the USB disk using Windows "Disk Management" and then try again. If the error persists, see the instructions on this article.
7. When the operation is completed click OK and you're done!.
That's all folks! Did it work for you?
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