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Downloaded an (PC COE) OS image (Windows 7 - 64 bit) for specific laptop model(HP elitebook folio) to USB media which wasn't bootable
Using Imgburn, follow the steps below
As an example, making use of files copied from the non bootable USB media in the source folder
Destination folder and file name
To make the non-bootable usb image bootable use the etfsboot.com in the advanced tab -->Boot Image
Using imgburn software made a non-bootable iso image of the non bootable files downloaded in USB
Imgburn can detect whether its a bootable or non bootable image
In write mode, select the iso images
To write the bootable iso to USB, used rufus , imgburn can also to used to create a bootable usb
Using Imgburn, follow the steps below
As an example, making use of files copied from the non bootable USB media in the source folder
Destination folder and file name
To make the non-bootable usb image bootable use the etfsboot.com in the advanced tab -->Boot Image
Build
Using imgburn software made a non-bootable iso image of the non bootable files downloaded in USB
Imgburn can detect whether its a bootable or non bootable image
In write mode, select the iso images
To write the bootable iso to USB, used rufus , imgburn can also to used to create a bootable usb
ref:- https://mindthebandgap.wordpress.com/2013/03/13/how-to-convert-bootable-usb-into-an-iso-file/
