How to Add a Boot Sector to an ISO Image

Written by mark rafferty
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How to Add a Boot Sector to an ISO Image
ISO images are often of CD and DVD discs. (cd on cd image by Stephen Kirkby from

If you have files, operating system or a hard drive image that you'd like to make bootable, your best bet is to make the ISO file itself bootable. This means that your computer will be able to run from the ISO image itself, rather than use files on your computer's hard drive when you put the image to a CD-R disc or USB drive. The process to make an ISO image bootable is not hard at all.

Skill level:

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Things you need

  • PowerISO

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  1. 1

    Download and install the free version of PowerISO onto your computer's hard drive.

  2. 2

    Open PowerISO.

  3. 3

    Click "File" then "Open" and select the ISO file you would like to make bootable.

  4. 4

    Click the "Action" tab and select "Boot" then "Add Boot Information." This will install the needed bootable files to your ISO.

  5. 5

    Click "Save" and boot information will be saved to the ISO image.

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