Write Image to USB – Win32 Disk Imager

Easily write raw image files to USB with Win32 Disk Imager. This utility uses low level raw read and write functions to directly copy data to or from a device. For example, it can be used to copy an ISO or IMG file to a USB drive. Or instead used to create a backup image of a device. It also features a built in file checking option to check for file corruption before writing a file. This image writing software is available portably as a zipped file.

Authors Website: Win32 Disk Imager

License: Open Source

Extracted File Size: 43MB

Using Win32 Disk Imager to write an ISO Image to USB

In the example below, I am using the Image Writer to put a Rescatux Live ISO on a USB flash drive.

1. Download the zipped version of Win32 Disk Imager.

2. Extract (Unzip) the contents to a folder to your desktop.

3. From within that extracted folder, right click the Win32DiskImager.exe file and select (Run as Administrator).

4. Then once the program is up and running;

(1.) Browse to and choose your ISO file. You may need to allow *.*
(2.) Choose your destination device.
(3.) Click Write.

Write Image to USB

5. Upon completion, see if the drive works as intended.

In the case above, a Rescatux ISO was written to USB. So the drive should act just like a CD-ROM and boot right into that Live operating environment. Assuming that I reboot my computer and set my BIOS or UEFI boot menu to boot from the USB device.


This Portable Application is filed under: Bootable USB Tools 

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