How to create bootable usb drive without any tool

Easy steps to create bootable USB flash drive with cmd command.

1. Press 'windows key + R'  then run command will appear in your screen type cmd and hit enter.
2. cmd run like this.
   
3. Type 'diskpart' and enter then the new cmd box will appears.
   
   
   
4. Type 'list disk' then enter you will see disk 0 and disk 1 online. Disk 0 is hard drive disk 1 is your flash drive.
   
   
   
5. Type 'select disk 1' then enter. Disk 1 is now the selected disk.
   
   
   
6. Type 'clean' and enter. Diskpart succeeded in cleaning the disk now.
   
   
   
7. Type 'create partition primary' and enter. Now creating a primary partition.
   
   
   
8. Type 'Select partition 1' and enter. Partition 1 is now the selected partition.
   
   
   
9. Type 'active' and enter to active partition.
   
   
   
10. Type 'format fs=ntfs quick' and hit enter. Wait a second until it will complete
    
    
    
11. Then type 'exit' and enter your cmd process will closed.

OK then insert windows CD to your CD room and copy all file to the flash drive. Now you can use your flash drive as a bootable drive. Its a 100% tested solution in windows 7.