Hello I have the problem, he says''No ATA Device Present'' have the other commandos entered: HDDHACKR C 09F0 A0 HDDHACKR D 09F0 A0 HDDSS.BIN HDDHACKR F 09F0 A0 HDDSS.BIN UNDO.BIN HDDHACKR R 09F0 A0 UNDO.BIN But even then success go always the same''No ATA Device present!''there have also tried my laptop at mom exactly the same it is up to my mother and Pc (both Acer) or on my hard drive (WD5000BEVT (500GB))? :blink: :blink: