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Windows 7: Read errors for one block on harddisk a problem if I re-format harddis

07 Nov 2015   #1
pstein

win7pro 64bit
 
 
Read errors for one block on harddisk a problem if I re-format harddis

Assume I have a rather new external (Toshiba) 3TB USB harddisk.

During the last days I experienced a data loss because one of the data blocks on the hard disk seems to get damaged.

I run a surface test with one of these hardidsk management tools like Minitool Partition Wizard.

It shows exactly ONE bad block on the hard disk (see attached snapshot).

So if I backup the current stuff to another hard disk, then re-format the hard disk and finally re-transfer the data files on the hard disk in focus: Can I continue to use this hard disk without problems?

I have heard that new hard disks are smart enough to exclude such error blocks from their internal table of free available blocks.
So if I later copy some files onto it then the files will NEVER be copied to the bad block.
It will be completely invisible in the future.

Is this correct?

Thank you
Peter




Attached Thumbnails
Read errors for one block on harddisk a problem if I re-format harddis-surface-test-errors.png  
My System SpecsSystem Spec
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07 Nov 2015   #2
GokAy

Windows 7 Ultimate x64 SP1
 
 

I guess you would need to normal format it for the sectors to be marked bad. But the general understanding is once bad sectors start to form the disk is unreliable.

No warranty left on it?

I wouldn't trust it any longer especially if your data is not backed up somewhere else.
My System SpecsSystem Spec
07 Nov 2015   #3
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

Agreed. If it's under warranty, have it repaired or replaced.

If it's not under warranty, backup your data from it and throw it away.
My System SpecsSystem Spec
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 Read errors for one block on harddisk a problem if I re-format harddis




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