How to create disk image or .nrg, .iso file from CD?

By | February 24, 2013
Why do we need a CD image? Most of the times we may need replica of a CD in order to protect the disk for many years. So here is a basic tutorial on how to copy a CD. We can copy CDs using a disc burning software such as Nero. A CD image or .nrg/ .iso file is nothing but the exact replica of the CD. We will be able to recreate the same CD from its .nrg file.Most of the operating systems which are available on the internet are as .iso or .nrg type files. And for that we should create bootable CD from this .nrg file using a disc burner software. How to create a disk image? Process of creating a disk image is quiet simple. So let’s see how to make cd image.

Tools required

  1. Windows Operating System
  2. Nero (any version)
  3. A CD [to copy/ create image]

How to make .nrg file using Nero?

Please follow these simple steps to learn How to take an image from a CD.
Step 1
Open ‘Nero Express Essential‘ (Here I’m using Nero 9). Then select “Image, Project, Copy” section as you can see in the screenshot below. After that click “Copy entire CD” and “Next”.

Step 2
You will be asked to select Source and Destination, leave source as it is and change the destination as “Image Recorder” and click “Copy”.

Step 3
Now we should save the file, select appropriate location in your computer. Wait until it gets completed. You will be getting a file like this.

That’s all, we are done with it!

Why you need to create an image (.nrg) file?

Making image of CDs are the better way to protect any CD, especially bootable CDs. We won’t be able to use copied files from a bootable CD to create another copy of the bootable CD.

So it is better to preserve your valuable CDs like Operating System CD, Password recovery CD etc. as images. You can use this image to recreate a replica of the CD when it is damaged..!

How to burn image .nrg file to another CD

Step 1
Insert new blank CD in to your CD drive, double click on the image .nrg file that you have created before.

Step 2 
Change the ‘Disk type‘ in to your CD drive name. Then click ‘Burn‘. Done!

In this way you can clone your CD also. Hope you enjoyed this simple tutorial.

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