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Defragmenting and should it be done?

post #1 of 7
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I know nothing about this. What is defragging and should I do it? Is it always beneficial to do or can it have its downsides? Inform this noob please.
    
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post #2 of 7
I think it takes all the scattered parts of files (from deleting/adding new ones over time) and moves them all towards the outsides of the platter.

Here's all the info you need: http://en.wikipedia.org/wiki/Defragmentation
 
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post #3 of 7
W7 already does it for you weekly.

It's not too important anymore.
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post #4 of 7
Do NOT use with an SSD however!
 
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post #5 of 7
The hard drive is divided into sectors, to store files, the hard drive rotates around these sectors and places the file in the first available location. Defragmenting organizes your files so that the hard drive does not have to work as hard to run the files.

As DuckieHo said, W7 enables weekly defragmenting, so you need not worry about it anymore at this day and age.
post #6 of 7
De-fragmenting is fairly essential to mechanical hard drives. When a hard drive writes something, it doesn't necessarily write it all together, sometimes it will use a small sector here and a small sector elsewhere. Mainly this happens when you delete something, it has to have something to write over it, so it writes what ever is next over that portion causing fragmentation.

De-fragmentation is taking all of those "fragmented" pieces of each program / file and reorganizing them. This means that the hard drive doesn't have to seek all over the disk for each individual part since it is already all there. It speeds up access times and creates less mechanical wear.
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post #7 of 7
You can see a major difference between a highly fragmented hard drive and a completely defragmented one. MetalBeerSolid is absolutely right, and I would recommend a free defrag program called Defraggler by Piriform. It does a much nicer job than the build in windows defragmenter.

http://www.filehippo.com/download_defraggler/
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