Create a bootable USB drive Easily : Step by Step Instructions

Nowadays, the use of the cd is almost gone. For installing a window into the computer or laptop. We all use USB. So, making a USB Pendrive bootable is necessary. You can either use Power ISO software to create a bootable Pendrive or Create a bootable USB drive using command prompt.

Making windows bootable using power ISO software is easy and reliable. But in this tutorial, I am sharing the command to make a Pendrive bootable. You can follow the given steps to load the Windows installation into your USB flash drive and make it bootable like a DVD.


  • Tools Required to Load Windows 7 Installation Files (You can make any USB bootable using this and with a window of your choice)
  • USB flash drive with a minimum capacity of 4 GB( Remember to back up your data).
  • Windows 7 set-up DVD or Windows 7 installation setup.


Steps To Create a Bootable USB Drive


Insert your USB flash drive and back up all the existing data in it.

Open the command prompt. If you are using Windows 7 then open it with as an administrator.

Go to Start -> All Programs -> Accessories -> Right-click on “Command Prompt” and select “Run as Administrator”.


In the command prompt type:-

DISKPART and then hit enter

This will start the Microsoft DiskPart utility


Now type the following command:

LIST DISK and hit enter
This will show you a list of available disks on your system. Disk 0 is usually the hard disk. In my case, usually, the last disk is pen drive suppose I have my DISK 5 If you have a different number on your system then you need to replace 5 with that number, 5 is the USB drive number on my system. Now give the command as shown below:

SELECT DISK 5 and hit enter


Now give this commands one by one as shown below:

CLEAN and hit enter
SELECT PARTITION 1 and hit enter
ACTIVE and hit enter
FORMAT FS=NTFS QUICK and hit enter
ASSIGN and hit enter
EXIT and hit enter

Minimize the command prompt and proceed to the next step.

Step 5

Insert the Windows 7 installation disk or any window disk that you want and note down the “drive letter” of your DVD/CD drive. In my case, it is “H:”. Now type the following list of commands as shown below:

BOOTSECT.EXE /NT60 M: ( M: is USB drive letter)


Copy the contents of your Windows 7 installation disk into the USB flash drive.

That’s it! Your USB is now ready to boot and install Windows 7 for you. Don’t forget to enable the “USB Boot” option and change the “boot priority to USB device from hard disk” in your BIOS settings.


The command prompt is the best way to create a bootable USB Drive. The other advantage is that you do not need any software to make your Pendrive bootable.

Therefore, your system will avoid 1 additional software and it can help a little bit (almost negligible) to improve the speed of your computer. If you don’t like working on commands then you can also create a bootable Pendrive by using a software. It takes only a few clicks to make a bootable Pendrive using the software.

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