For creating bootable usb drive we can use command prompt to make usb as bootable device without any software and using this bootable usb drive you can easily install windows operating system on your Laptop / PC . To create a bootable USB drive as a Windows installation media, we require at least 4 GB for minimum capacity. Larger capacity is better.Here are step by step to create a bootable USB drive as the Windows installation media
Steps to create bootable USB drive
Step. 1: Open your command prompt with “Run as administration” option
Step. 2: Write command Diskpat and hit enter.
Step. 3: Write command list disk and hit enter.
Step. 4: Now your usb device will appear with status size etc.
Step. 5: Write command select Disk 1 and hit enter.
Step. 6: Write command Create partition primary and hit enter.
Step. 7: Write command Select partition 1 and hit enter.
Step. 8: Write command Active and hit enter.
Step. 10: Write command Assign and hit enter
Step. 11: Write command Exit and hit enter and you will exit from diskpart
Step. 12:Now go to your local system drive where you have window 7 setup.
command to switch between drive Drive_Name: and hit enter i.e. D:
commmond to comeout from folder cd.. and hit enter
command to select folder cd folder’s name first later and press TAB and select your folder.
for example: if i am in C drive in command prompt and i wanna to go in D drive to select my folder Test
then my command will be :
D: and enter // to move in D drive
D T and Tab //to select the folder Test
Step. 13: After selecting your window7 setup folder write command CD BOOT E.g: D:\windows7\boot>
Step. 15: Now copy all the files(by selecting CTRL+A) of window 7 folder into your pendrive
Cheers your pendrive is bootable now 🙂