Re: Need disk error checker for Windows XP

Porpoise wrote:
> 
> "Borgholio" <[email protected]> wrote in message 
> news:[email protected]...
> 
>>>
>>
>> I took that to mean it was verifying the amount of free space.  If it 
>> was actually looking for bad sectors, why did it never find them until 
>> data was copied?
>>
>>> E:\>
> 
> 
> Well, when you format the disc the sectors are listed in the MFT 
> (missing out any parts of the disc that the HDD firmware has flagged as 
> "bad") so, until you actually write data to the disc, chkdsk has no data 
> to check and all the sectors are "good". If there are any parts of the 
> disc surface with physical defects (as opposed to just corrupted data) 
> the HDD firmware's error correction is supposed to prevent the OS from 
> using that portion of the disc in any case. When the HDD is on the way 
> out, the error correction can no longer cope - and so, the disc becomes 
> un-usable.
> 
> So, if you are getting bad sector errors as soon as you add data to the 
> disc, I would suspect the HDD of having problems.

Yes I've known that the disc had problems for a week now.  :)  That's 
why I need a better program than chkdsk to run a thorough diagnostic.