i hope this is in the right place. 1 i need advice 2 i need help please. i've got a 1tb seagate usb sata and what i want to do is partition the hd and put windows 7 on it this is what i've got at the minute. windows xp pro in1t1gnrkbx 2gb ddr 333 05-51-93 of ram motherboard p55800-vm\s 150gb hd with xp on it. i need to format the usb drive because its got some stuff on it so what can i use to format it ? i have x17-58996 windows 7 plus rufus v1.3.2 and dazs window loader. what i want to do is put windows 7 on the seagate and then be able to switch from xp to 7 and from 7 to xp i cannot put the harddrive in the tower thats why im going usb way if i can. i hope i've explained it right what i want to do. so can some1 please tell me how to do it please. i think ive got what i need if not what do i need i've tried to format the hd but it would not let me because it said it was in use but it was not.so can some1 tell me how to do it please. and if i have the wrong things what do i need if some1 can point me in the right direction i hope what i've put that some1 can understand what i want to do. thank you.