DOS isn’t widely used anymore, but you’re still likely at some point to need to boot into a DOS environment. Windows’ built-in formatting utility lets you create a DOS-bootable floppy drive, but not a USB drive.
Here’s how to get around that.RELATED:DOS may be a relic of the past, but you wouldn’t know that from reading instructions written by manufacturers for, firmware-updating utilities, and other low-level system tools. They often require you to boot into DOS to run the utility. We once formatted our floppy disks with MS-DOS using the format utility built into Windows, but most computers don’t have floppy disk drives anymore. Many no longer even have optical disc drives.
Fortunately, there’s a free third-party utility that lets you quickly create a DOS-bootable USB drive. Step One: Use Rufus to Format Your USB DriveWindows’ built-in formatting utility doesn’t allow you to select the “Create an MS-DOS startup disk” option when formatting a USB drive—the option is grayed out in Windows 7 and not available at all in Windows 8 and 10. Instead, we’ll be using a tool named Rufus. It’s a fast, free, lightweight application that includes FreeDOS.RELATED:First, download and launch it.
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Rufus is a that doesn’t require any installation—you will see the Rufus application as soon as you launch the downloaded.exe file.Creating a DOS-bootable USB drive in Rufus is simple. First, connect your USB drive to the computer and select it in the “Device” dropdown menu.Note that this process will erase the contents of your USB drive, so make sure you’ve backed up any important files on the USB drive first.RELATED:From the “File System” dropdown menu, choose the “FAT32” format. The DOS option requires FAT32 and isn’t available for the other file system options like.Select the “Create a bootable disk using” option and then choose “FreeDOS” from the dropdown menu next to that option.Click the “Start” button to format the disk and copy the files necessary to boot into FreeDOS.The formatting process should be extremely quick—usually a matter of seconds—but it can take longer depending on the size of your USB drive. Step Two: Copy Your Files OverYou have probably created this boot drive because you have a DOS-based program to run, such as a BIOS update utility or another low-level system program. To actually run these files from DOS, you will need to copy them over to your newly-formatted USB drive. For example, you may have a BIOS.BIN and FLASHBIOS.BAT file you need to run in DOS. Copy these files into the root directory of the USB drive after formatting it.
Step Three: Boot Into DOSRELATED:You can now boot into DOS by restarting your computer with the USB drive connected. If your computer does not automatically boot from the USB drive, you may need to or use a boot menu to select the device from which you want to boot.Once you are in DOS, you can run the program you copied to your USB drive by typing its name at the DOS prompt. Follow any instructions provided in the manufacturer’s documentation to run the application.RELATED:These utilities still use DOS to ensure they have low-level access to the hardware without any other programs interfering or Windows getting in the way.
This helps ensure BIOS updates and other low-level operations work properly. You also could use a bootable USB drive to run old DOS applications, but that tends not to work so well. You would be much better off.
Hi,Thanks for posting in Microsoft TechNet forums.Please check if the following requirement is ready:1. Download an MS-DOS 6.22 ISOyou can download this from AllBootDisks website:Please Note: Since the website is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.2. We will need a program that can burn ISOs to CD/DVD drives, Check out Ultimate List Of Free CD/DVD Burning Programs3. Once you have downloaded a program that can burn ISOs to CD/DVD drives you will need to burn the MS-DOS 6.22 ISO to your CD/DVD drive.4.
Once you have finished burning the ISO to your CD/DVD drive reboot your computer, Your computer should boot in to MS-DOS 6.22. If it doesn’t you need to go in to your BIOS and set the CD/DVD drive as the 1st boot device.Best RegardsMagon Liuin forum. If you have any feedback on our support, please contactPlease remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.
Hi,Thanks for posting in Microsoft TechNet forums.Please check if the following requirement is ready:1. Download an MS-DOS 6.22 ISOyou can download this from AllBootDisks website:Please Note: Since the website is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.2. We will need a program that can burn ISOs to CD/DVD drives, Check out Ultimate List Of Free CD/DVD Burning Programs3. Once you have downloaded a program that can burn ISOs to CD/DVD drives you will need to burn the MS-DOS 6.22 ISO to your CD/DVD drive.4. Once you have finished burning the ISO to your CD/DVD drive reboot your computer, Your computer should boot in to MS-DOS 6.22. If it doesn’t you need to go in to your BIOS and set the CD/DVD drive as the 1st boot device.Best RegardsMagon Liuin forum.
If you have any feedback on our support, please contactPlease remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Hi,As this thread has been quiet for a while, we assume that the issue has been resolved. At this time, we will markit as ‘Answered’ as the previous steps should be helpful for many similar scenarios. If the issue still persists, please feel free to reply this post directly so we will be notified to follow it up. You can also choose to unmark the answeras you wish.BTW, we’d love to hear your feedback about the solution. By sharing your experience you can help othercommunity members facing similar problems.
Thanks for your understanding and efforts.Best RegardsMagon Liuin forum. If you have any feedback on our support, please contactPlease remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question.
This can be beneficial to other community members reading the thread. I have acquired a large suite of dBase programs which I have no wish to rewrite. They work under a version of dBase which itself ran under DOS6.22, I believe, and are well tuned to the job I need to run.I can load DOS 6.22 from an iso file exactly as described, and it works. I cannot, however, add sub-directories to either A: or R: and it looks though there is no write permission on either of these roots. Is this a problem of my making or simply that MSDOS6.22does not work under Hyper V?Windows 10 Pro Insider build 14905 or 14910.Thanks.