How to Create a Bootable Pendrive using cmd(command-prompt)? Step 1: Run command-prompt in Administrator mode. Step 2: Connect the USB device to the computer that is to be made bootable. Step 3: Type the command ‘diskpart’ and then press Enter. Step 4: Type the command ‘list disk’ to display a list of all the available storage devices on your system. Press Enter to continue. Step 5: Select the disk that is your pen drive. Generally, it is marked as Disk 1, it might vary system to system. Make sure not to select any other available disk as it will get formatted. To choose the disk, type the command ‘select disk 1’ and press Enter. Step 6: To make a pendrive bootable, there is a need to format it to clean the existing data. This can be done by the use of ‘clean’ command. Step 7: Type the command ‘create partition primary’ and press Enter. This will make the disk p...