One of the easiest ways to boost overall performance from your PC is to do regular hard disk maintenance. It's not glamorous or even exciting, as a matter of fact, it's downright boring. However it is relatively painless and easy to do. In this article, I want to discuss defragmenting your hard drive. I'll give you a moment to finish yawning before continuing.....OK feel better now? Let's get to it. Most PC users, even a lot of beginners, know about the defrag utility built into Windows. Some people even use it occasionally. However, judging by my experiences in the field, even those who use it fairly regularly could use a few pointers on how to get the most out of it.

First of all, what is disk fragmentation? We could get really technical and discuss file systems, cluster sizes and the like but I doubt you want to read it anymore than I want to write about it (BORING!...). You don't really need to understand all of the technical details to understand that fragmentation can and does have a big impact on overall computer performance. I should explain however, that of all the major components of your computer, the hard drive is far and away the slowest. Knowing this, it should make sense that anything we can do to help this "weak link" with performance will improve the the overall computing experience.

Without going into a lot of detail, I'll start with a brief explanation of how a hard drive works and what causes data fragmentation. Ready? Here goes: The hard drive has a series of platters that contain all of the stored data on your PC (including the operating system, programs and all of your personal data). These platters rotate at a high rate of speed and as they rotate, a mechanical read/write head moves along the surface of the platters and... well, reads and writes data. Your data is stored on this disk in clusters. A single file usually consists of many of these clusters. Over time as you use the computer these clusters get scattered all over the drive and as a result, the files contained in the clusters become fragmented. The reason that this negatively affects performance is that when the read head looks for a particular file, it can find that information much faster and more efficiently if the clusters containing that file are in contiguous order as opposed to being scattered all over the drive. Think of it this way: If you have a stack of money in various bill denominations, how much faster and more efficiently could you count it if the bills are grouped according to denomination and placed in descending (contiguous) order! The process of defragmentation finds these scattered clusters of data and puts them back in order so that the read head can find them faster.

Now that you are familiar with that concept, let's get going with the defrag. For those of you who aren't familiar, the windows defrag utility is located under 'Start > All Programs > Accessories > System Tools'. When you start the application, the user interface is pretty straightforward. You just select the drive that you want to defragment and click the button that says "Defragment". If you don't do any more than this, you'll go a long way toward improving the responsiveness of your computer. However, there are a couple major limitations in the defrag utility that can easily be overcome if you know what to do. Here are a couple of tricks you can use to really get the most out of the defrag process.

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