We sometimes come across to build a bootable USB without any software and if we don’t have internet access and needs to build a bootable USB, then its obvious that we have to build bootable USB without any software.
We all may not be aware of the utility that is built-in in windows called Diskpart. This utility can be used to build bootable USBs and we can also use that USB to store images, songs etc as well.
To build bootable USB the minimum USB size recommended is 8GB. This can be used for windows 7, 8, 8.1 and for windows 10 as well.
Connect the USB to your computer.
Open command prompt and type Diskpart, or open run menu and type Diskpart and press enter.
On permission box, Click Yes. As diskpart should be run by administrator’s privileges.
On Diskpart, type list disk. It will show the connected storage media with the computer. As below, there are two disks connected to my computer. The Disk 0 will always be computer HDD and 14GB is my USB.
Now run Select Disk 1, It will say that disk 1 is selected.
Now run Clean, it will delete all of the old data on USB.
Run create partition primary, this command will make USB file system as primary so that it can be booted by the operating system.
Once created, run format fs=ntfs quick command. This command will format the disk quickly. Once completed, It will show the status Diskpart successfully formatted the volume.
Now run the command active. So that it can be accessed by the computer during the boot process.
Here are all of the commands run in one go.
Now copy all of the windows DVD files and folders in USB directly. Once copying has been done, Eject the USB and replug it.
Once copying has been done, Eject the USB and replug it. It will show the disk as above image.