hey everyone i just bought a new 160GB SATA HD. I installed into one of my dell desk tops. Now getting ready to sell the desktop and wanting to take the new hd out and put it in another dell i have. how do i wipe the hard dive clean so i can intall it in another computer. i have the sata docking station that can use to copy all my files from the other dell computer that im wanting to install the hd in. thanks