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For an old (MFF, RLL, IDE, ...) harddisk 3 bad sectors is nothing to worry about. For a modern SATA disk (or SCSI or SAS) it is something to worry about. These remap bad sectors to spare sectors. If you have 3 bad sectors after the remapping then it is not just those three which are bad, but all the spare sectors have already been used. So, 1) determine ...


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From experience, 3 bad sectors is nothing to worry about. You should: Make sure everything is backed up Monitor your bad sectors over time. If that number grows over time, it could indicate a failing hard drive. Run chkdsk. These could be "soft" bad sectors (bad checksum) instead of "hard" bad sectors (physical damage of drive sectors) and can be ...


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OK, maybe this can be done with dd too, but I solved my problem using WinHex (I selected physical device). It can clone any parts of disk to images and concatenate them.



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