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WD Elements hard drive "Reallocated sectors" error


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#1 maimee

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Posted 06 October 2010 - 07:28 AM

I just ran diagnostics on my WD external hard drive, and it gave me the "Reallocated sectors" error. Is there any way to fix this and could it be what's stopping my hard drive from appearing in My Computer?? Thanks.

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#2 dpunisher

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Posted 06 October 2010 - 09:38 AM

Hard drives leave the factory with extra storage space (sectors) that the hard drive firmware remaps data to if it senses a problem with a sector surrently in use. You always have extra space on your hard drive so any data on a bad sector can be transferred to a new/unused sector and saved.

If you have a problem that is killing the sectors on a hard drive (bad read head/faulty platters etc), and the number of unused sectors left are below threshold, you get that "Reallocated sectors" message. It is a sign of a mechanical failure. Time for a new hard drive.

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#3 maimee

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Posted 06 October 2010 - 09:51 AM

Hard drives leave the factory with extra storage space (sectors) that the hard drive firmware remaps data to if it senses a problem with a sector surrently in use. You always have extra space on your hard drive so any data on a bad sector can be transferred to a new/unused sector and saved.

If you have a problem that is killing the sectors on a hard drive (bad read head/faulty platters etc), and the number of unused sectors left are below threshold, you get that "Reallocated sectors" message. It is a sign of a mechanical failure. Time for a new hard drive.


Is there any way I can get access to the hard drive to back up the data?




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