Hard Disk Drive is not being sensed in the Computer. Have replaced the same with a New one with success. How come the HDD failed. My Datas are crucial for my Profession. My Clients shall suffer losses resulting in severe loss of face by me with my commitments. Kindly retrieve the Data for me and replace the defective HDD ASAP. Treat matter critical. Product: SEAGATE Certified HDD. Barracuda 7200.9 160 Gbytes. S.N.; 5PT 16D8R P/N : 9CC132-302 read full review »