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Is it beneficial to wipe a drive before installing windows on it?

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#1 bludshot


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Posted 01 December 2014 - 04:05 PM

Whenever I have had an old drive with previous data or OS on it that I don't want anymore, I have always been satisfied to simply install windows on that drive, using the windows installer to re-partition and format the drive during the installation.


In another thread someone was talking about wiping a drive with dban before installing windows on it, perhaps suggesting (or not?) that this was a good practice.


I like using best practices so, my question is, what benefit, if any, is there to using something like dban to wipe a previously used disk before you install windows on it?


The only thing I can think of is if it was a second hand disk you got/bought from someone else, or if your old drive had data you want to make sure cannot be recovered. If that's all it is then I get it, and if I had those scenarios it would already be my practice to do that (I have never had those scenarios though).


But is there some other good reason to do it that I haven't thought of?


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#2 Platypus


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Posted 01 December 2014 - 04:46 PM

Other than making previous data content unrecoverable as you say, the only potentially significant thing I can think of is causing any pending faulty sector reallocations to occur. This is something that's normally handled transparently in the background by the drive's own management system, but a wipe or zero fill should precipitate the function, and give a cleaner SMART status if that is seen as desirable.

Edited by Platypus, 01 December 2014 - 04:46 PM.

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