CREATE BOOTABLE PENDRIVE

STEP 1:- click on window and go to all programs
STEP 2:-  go to accessories and click on that you will see cmd prompt run this as administrator
                 there is simple pix for you 

STEP 3:-cmd prompt will open in new window and type diskpart 
                and type list disk it will show you size of whole disk either your's pen drive or system
                  here is simple pix for you to get

NOTE:- here is disk 0 is system disk size and disk 1 is pendrive size

STEP 4:-now type select disk 1 inorder to select your pendrive
STEP 5:-  now type clean command inorder to clean your pendrive
STEP 6:-now type create partition primary command to create part
STEP 7:-now type select partition 1 command according to you on the disk number like (disk 0,disk 1)
STEP 8:-now type active command inorder to active part
STEP 9:-now type format fs=fat32 to assign format.it will start formatting of your's pendrive from                   0 
               here is simple pix for you to get 

and now type assign command to assign part
and finally type exit command to exit from cmd prompt
to know more call me :-+917277637140(md arif rahman)