Or is FreeDOS by itself enough (bootable media newb here)? When choosing FreeDOS in Rufus, do you also need to specify a custom file you want to burn to the drive You can actually find what Rufus does by looking at the Rufus log (by clicking the small Log button left of the START button), as it contains extensive information about what Rufus creates on the drive.
#Rufus create bootable usb not bootable install
Partition a drive using the MBR partition scheme, create a single FAT MBR partition, format that partition, install a FreeDOS bootloader in the MBR bootloader and copy the FreeDOS base files ( KERNEL.SYS, COMMAND.COM and locale data) to the FAT partition. What does Rufus do when one selects the FreeDOS option? Simply copying those files over, and even using Rufus to burn them to the flash drive isn't working.
When this worked previously, I believe it was because the program I'm trying to run also came with what appeared to be DOS files (autoexec.bat,, himem.sys, etc.), but I did something or copied some combination of them then that I'm unable to replicate now. Side note that might be relevant: I am trying to boot TO FreeDOS in order to run a DOS-based program I need. However, I have seen other instructions ( here and here) that advise using Rufus to format the drive, then manually copy files from a FreeDOS installation onto it, but if this is the case, why use Rufus in the first place? Couldn't one simply format the drive with your OS, then move the FreeDOS files to it, or is there something Rufus does to make the drive bootable that doesn't have to do with the files it puts on it? From what I can see, normally FreeDOS comes as an installer, so is that to say that in Rufus, a "blank" version is also a bootable version? (I assume that's the whole point of Rufus). When choosing FreeDOS in Rufus, do you also need to specify a custom file you want to burn to the drive or is FreeDOS by itself enough (bootable media newb here)? I did find a previous post from the developer that says Rufus creates a "blank" version of FreeDOS.
#Rufus create bootable usb not bootable how to
What does Rufus do when one selects the FreeDOS option? (Documentation doesn't seem to exist on the Rufus site for how to use this option). This is a Dell, and I'm using its F12 boot select menu. I am assuming the BIOS is accessing the flash drive, as the light on the drive flashes when I select the "boot from USB" option. I have made sure legacy boot mode is enabled in my BIOS, turned off Secure Boot and Fast Boot, and have tried every USB port on the machine. However, try as I might, my system refuses to boot from it, although it once did (see below). I am attempting to use Rufus to make a USB flash drive bootable.
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