Removing bad sectors from hard drives

Posted on 2010-01-01
Last Modified: 2012-05-08

What is the best way of removing the bad-sectors from hard drives, since it is making some cracking sound & the hard drive is 4 year old.
Question by:syedyounus
    LVL 70

    Accepted Solution

    On a 4-year old drive it's best to simply replace it.

    You can't really "remove" bad sectors -- and all modern drives will automatically remap them until the drive runs out of spare sectors [the S.M.A.R.T. system on the drive does that automatically].

    The excellent utility Spinrite can sometimes repair sectors that are "bad" due to magnetic deterioration (not physically damaged) ==> it's as good as it gets for rejuvenating an old drive.    If you want to give it a try before replacing the drive you may get a bit more use out of the drive.

    But if the drive's making noises and you're noting failed sectors, the best approach is to simply replace it -- a new drive will cost less than Spinrite ... and will almost certainly be appreciably larger than what you have now, so it'll be a nice upgrade.
    LVL 18

    Assisted Solution

    by:Ravi Agrawal
    There are too many variables to deal with. I don't think there is any way for you to do it but see these links for a better idea.

    LVL 25

    Expert Comment

    no more in production just replace it.
    LVL 91

    Assisted Solution

    >>   since it is making some cracking sound   <<    this is bad. i would not try to "fix" it.
    backup what you need and replace the drive.
    you can always test the disk with the manufacturer's diag :
    this will give you it's status
    and if you want to clean it - write zero's on the whole drive

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