Seagate ST3320820AS Knocking Sounds Data Recovery

Make:	Seagate Hard Drive
Model:	ST3320820AS
Capacity:	320GB
Firmware:	3.BQE
Interface:	3.5 SATA
Failure:	Magnetic heads problem
Symptoms:	Knocking Sounds on read

 

The drive was crashing on attempt to read, one of the magnetic heads was crashing and making a knocking sound. we adjusted the firmware and stabilised the drive on a special equipment, the problem heads was disabled. Majority of the data was recovered.