nithin kannan :
desktop with toshiba internal hard disk
Unplug system unit, work at a static free zone, remove the side panel, locate the HDD, unplug the SATA/MOLEX power cable, unplug the SATA/IDE data cable, remove HDD screws (if any), remove HDD from the case, place new HDD in the spot where you took the old HDD from, screw in HDD screws (if any), plug the SATA/IDE data cable, plug the SATA/MOLEX power cable, place the side panel back, plug system unit. Done