Make Bootable Flash Drive A bootable flash drive is a flash drive that boots up when you start your system. Having a bootable flash drive comes in very handy if you ever want to install an operating system on your flash drive. While the process for making your flash drive bootable is complex, it is doable if you carefully follow a few steps.Instructions
1. Make a separate copy of all the contents of the flash drive you want to keep. Insert the flash drive into a USB port on your computer.
2. Go to "Start," type in "cmd" and click "Enter." This will bring up the "Command Prompt." Type in "diskpart" and hit "Enter." The "diskpart" window will open.
3. Type in "list disk" and hit "Enter." In the listed disk drives, find the flash drive. You will be able to recognize it by its listed size. For the purpose of this article, let's say that it is listed as "disk 1," although it could be some other number. Type in "select disk 1" and click "Enter."
4. Type in "clean" and hit "Enter." This will remove everything on the drive. Now create a partition. Type in "create partition primary" and click "Enter." Then type in "select partition 1" and hit "Enter." Now type in "active" and hit "Enter."
5. Type in "format fs=fat32 quick" and hit "Enter." This will format the drive. Then, type in "assign" and hit "Enter." This will assign a letter to the flash drive, such as "G." Finally, type in "exit", hit Enter and you are done.