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It's a follow-up question for this question. Dropped external HDD

Using HD Tune, I learned that my external HDD has some errors on it. Then what can/should I do?

Is there any way that I can 'flag' the damaged part so that this part is not used any more and move my data to undamaged part?

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user67275
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    You replace the drive. [You can indeed mark a sector bad and the HDD will stop using it, a HDD only has a certain amount of spare sectors, once the number of bad sectors are greater then the amount of spare sectors your options are limited.](http://superuser.com/questions/694422/what-is-the-fastest-way-to-mark-bad-sectors-without-data-recovery). This does not work if the HDD is physically damaged. If you care about the data stored on this disk you should replace it, not try to put a band-aid on it, and forget about it. – Ramhound Dec 30 '15 at 20:48
  • **This is only a band-aid till you can get a new drive** If you have Windows OS, you can **chkdsk /R x:** replacing X: with your drive letter. This only hides the problem. Like using duct tape on a cracked windshield, eventually the crack will cause the whole window to break. – cybernard Dec 30 '15 at 21:00
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    Possible duplicate of [Fixing bad sectors](http://superuser.com/questions/332618/fixing-bad-sectors) – Ƭᴇcʜιᴇ007 Dec 30 '15 at 21:36

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