Monthly Archives: June 2016

Making a USB flash drive for Window setup

This article demonstrates how to copy a Windows installation source to a USB flash drive (UFD), and make that UFD bootable, without using any third-party app. Every now and then, such an article must be re-written to update the sum of knowledge. Only the tools included with the operating system are used. This article assumes you have at least Windows 7. Also, it assumes that the OS you’d like to copy to a UFD is Windows Vista, 7, 8, 8.1 or 10 and is already available to you on DVD or in folder somewhere.

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Where can I find BootSect.exe and BootRec.exe?

BootSect.exe and BootRec.exe are both components of Windows Vista and later. They help make disks bootable.

Both are included with a Windows DVD or ISO but are not installed.

BootSect.exe features /nt60, /nt52 and /mbr switches. It can be found in the “boot” folder, at the root of the Windows DVD.

BootRec.exe features /FixMbr, /FixBoot and /RebuildBCD switches. However, it is harder to find. It is only exposed if a computer is booted into Windows Setup or Windows Recovery Environment. Otherwise, one has to extract it from the “boot.wim” file in the “sources” folder of Windows setup disc, orĀ  the “winre.wim” file in a subfolder of “C:\Recovery” folder (although you might not find such a file), via DISM or 7-Zip. Once either of the two images of “boot.wim” are mounted or opened, BootRec.exe can be located under “Windows\System32” subfolder.

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