When your computer gets slow, it’s often because the hard disk is fragmented; you can often improve Windows 7’s performance by defragmenting it. Defragmentation goes through your hard drive and reorganizes all the bits and pieces of data scattered throughout, sorting them and putting them in order. You might visualize it as your kitchen cabinets if you never cleaned them out; it takes you forever to find that can of peaches you know you have somewhere. When you sort and clean things, however, your peaches are with the rest of the fruit, right where they belong.
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