Just get a new drive, Usually mean theres been major failure. as it says the drive is not operating the way it should.
Not all drives become super noisey before they die, not all drives make clicking noise before they die.
Infact i've had few hard drives that just became dead. no warning. no noise no anything.
Coming from work as network support engineer and having supported over 30-40+ dell machines, Simple phone call to dell support and out pops engineer with new replacement drive.
quote:
S.M.A.R.T. technology
S.M.A.R.T. stands for Self-Monitoring Analysis and Reporting Technology. S.M.A.R.T. technology was developed by a number of major hard disk drive manufacturers in a concerted effort to increase the reliability of drives. It is a technology that enables the PC to predict the future failure of hard disk drives. S.M.A.R.T. technology has become an industry standard for hard drive manufacturers.
Through the S.M.A.R.T. system, modern hard disk drives incorporate a suite of advanced diagnostics that monitor the internal operations of a drive and provide an early warning for many types of potential problems. When a potential problem is detected, the drive can be repaired or replaced before any data is lost or damaged.
The S.M.A.R.T. system monitors the drive for anything that might seem out of the ordinary, documents it, and analyzes the data. If it sees something that indicates a problem, it is capable of notifying the user (or system administrator). S.M.A.R.T. monitors disk performance, faulty sectors, recalibration, CRC errors, drive spin-up time, drive heads, distance between the heads and the disk platters, drive temperature, and characteristics of the media, motor and servomechanisms. The errors the system can detect can be predicted by a number of methods. Currently the SMART system can detect about 70% of all hard drive errors.
Here's an example: motor and/or bearing failure can be predicted by an increase in the drive spin-up time and the number of retries it takes to get the drive spinning at full speed. Or, if the drive notes that error correction is being needed excessively, it can attribute this to a broken drive head or surface contamination, and it will create an alert before the problem gets worse. Armed with a prediction of failure, the user or system administrator can make a backup copy of key data, replace a suspect device prior to data loss, and avoid undesired downtime.
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