How to make vista / windows 7 usb bootable

1] Insert the usb and os bootable cd

2] start cmd prompt

3] type DISKPART and enter

4] type LIST DISK and enter

5] type SELECT DISK 1 and enter {for usb drive}

6] type CLEAN and enter

7] type CREATE PARTITION PRIMARY and enter

8] type SELECT PARTITION 1 and enter

9] type ACTIVE and enter

10] type FORMAT FS=FAT32 and enter

11] type ASSIGN and enter

12] type EXIT and enter

13] type XCOPY E:\*.* /S /E /F G:\ and enter {here E:=dvd drive and G:=usb drive}