hello guys a lot of friends of me asking me to format their pc and its kinda lame using dvd when you have the advantage to use usb i have some windows 7 burning programs for usb but the problem im facing is that altough i boot successfully from usb to the windows 7 installer each time is booting automatically (not asking to press any key) and it wont let me to complete the setup can you tell me please 1.easy program to format a pc from usb 2.and a solution for the automatically boot?