From the Hitachi Global Storage Technologies Hard Disk Drive Knowledge Base – failing drive noises:
My hard drive is experiencing some strange noises but I am unsure if the drive is failing. How can I determine if the noises are due to a failing hard drive?
There are various noises that may indicate a failing hard drive. If you are experiencing any of the noises, please contact the technical support center at: 888-426-5214.
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