greetings A computer that has windows 7. Really good friend of mine bought his son this computer. The son had massive heart attack later in life of computer.He bought a new disk of windows to wipe it clean to obtain computer for his wife. I tried to wipe it clean it is a Tara byte harddrive with 3 partitions. Windows cannot do anything with partitions. No floppy drive so I can load program to write zero`s any suggestions?