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Is it possible to restore bad sector data?


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#1 IllusionEclipse

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Posted 12 August 2014 - 02:50 AM

I've had this small patch on my laptop for 6+months of bad sector data consisting of 16kb, the damage hasn't spread and I have done some research on recovering bad sector data but with no luck. I'm generally one of those paranoid people about using specific data recovery tools unless I'm 100% sure it's safe. Anyway I digress, is there any possible way to recover this bad patch of data?
Attached File  Bad Sector data.PNG   48.34KB   0 downloads
 


Edited by hamluis, 12 August 2014 - 05:49 AM.
Moved from Win 7 to Internal Hardware - Hamluis.

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#2 jonuk76

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Posted 12 August 2014 - 07:35 AM

Using the /R switch on chkdsk will run a surface scan which will attempt to recover information from bad sectors.  For example, chkdsk /r c:  will run the command on the c: drive.  As it is a system drive, it will say that the drive is in use and offer to schedule it to run at the next start up.  Note that scans with the /R switch can take a long time.

 

Any bad sectors found will then be marked as unusable so nothing is written to them in future.  As bad sectors are a physical problem with the disk, there is no way to make them "good" again once they've been found to be "bad".

 

Running diagnostic software like Seatools for DOS (which runs from a bootable CD) will allow you to assess the overall health of the drive.  It is by Seagate but works with any brand of disk.


Edited by jonuk76, 12 August 2014 - 07:36 AM.

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