How To Make Bootable Discs/USBs ?!


The bootable disc also known as startup disc or boot disc is generally a removable media like a Compact Disc (CD) that contains files that are capable of boot and has ability to run from null in a system.

Why and where are they useful?

  • They are used when a user needs to install a fresh Operating system.
  • They are also used when there is need to recover important data being lost due to OS files corruption or due to bad sectors in the hard drive.
  • Data purging could also be performed using a boot disc. Purging here refers to permanently erasing the data from a hard drive and it is possible by various techniques like low-level formatting (Well, it takes hours to do so).
    REMEMBER: Deletion is temporary but purging is permanent.
  • Hardware or software troubleshooting is also an important task that could be performed using a boot disc.
  • BIOS flashing is similar to updating an OS but is a totally different thing. (BIOS files are stored in MotherBoard rather than on hard drive)
  • Running a temporary operating environment, such as when using a Live USB drive.
  • Boot Disc can also be used for Software demonstration. There are many software that run on BIOS. Such software do not need any OS to run over. Also, a bootable live OS can be used to run softwares that need an OS environment to run.
  • A boot disc is quite useful when a user needs Administrative access in case of lost password and also in some cases, passwords can be recovered.
  • Great Gaming consoles like Play Stations run on Disc that are bootable.

How to make a bootable Disc/USB?

To make a bootable disc, we need a so called an ISO image file. Great if it is a bootable image and no problem if it’s not bootable and all we need to do is just to set a boot file before burning it to disc or writing it to an USB drive.

To create a bootable Disc/USB:

A. For Windows

For bootable CD

  • Right-click on an ISO image and choose “Burn disc image”.
  • Select a disk burner (drive) and press “Burn”.

For Bootable USB

Download Rufus (

  • Select your device which you want to make bootable.
  • Select your partition scheme or leave it as such.
  • Select File System as FAT32.
  • Then type in the name for your device
  • Then select your bootable ISO image.
  • Then press the Start button.


B. For Linux

For bootable CD

  • Insert a blank CD into your burner.
  • Browse to the downloaded ISO image in the file browser.
  • Right click on the ISO image file and choose “Write to Disc”.
  • Where it says “Select a disc to write to”, select the blank CD.
  • Start the burning process.

For Bootable USB

  • Download unetbootin
    ( To download, type in the following commands in the terminal
    sudo add-apt-repository ppa:gezakovacs/ppa
    sudo apt-get update
    sudo apt-get install unetbootin extlinux )
  • Select DiskImage as option and then select iso from drop-down menu.
  • Now Browse for the iso file on your system.
  • Make sure you select USB Drive in the type box.
  • THen select your drive in the adjacent box.
  • Now click on OK button to start writing.


To make a bootable iso file

Download PowerISO
( Download link for Linux
Download link for Windows )

  • Run PowerISO.
  • Click on the “New” button on toolbar ( or choose “File > New > Data CD/DVD Image” menu ).
  • Click on the “Add” button on toolbar to add files and folders. ( or You can also directly drag files and folders from Windows Explorer to the PowerISO window.)
  • Choose the menu “Action > Change Label” to change the default label.
  • Choose the menu “File > Properties” to set the iso file properties.
  • Click on the “Save” button on the toolbar ( or click on the “File > Save As…” menu).
  • Choose the menu “Action > Boot > Add Boot Information” to load a bootable image file.
  • Save the iso file to “Standard ISO Images (*.iso)” format.

Hope it helps
Feel free to ask

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Anuj Mishra

Admin, Founder & Chief Editor at HackeRoyale
Engineer. Blogger. Ethical hacker. Penetration Tester. Deep Webbie. Bug hunter. Security Analyst. Web Developer. Techie. Programmer. Foodie. Music Lover. Traveller. Enthusiast.

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