Information Technology

1. plug ur 4 gb usb pen drive 
2. go to command prompt run as administrator 
3. type the following- 
diskpart 
list disk 
the number of ur usb vl be listed. ( assume usb drive is disk 1 ) ,then type- 
select disk 1 
clean 
create partition primary 
select partition 1 
active 
format fs=NTFS 
assign 
exit 
( now your usb is bootable ) 
4. copy the windows vista\windows 7 dvd to your usb 
5. restart ur computer 
6. go to bios 
7.then go to boot option 
8. select boot from usb and press enter