Well, I have to say that this is an interesting article showing us how to keep dust away from our PCs, however, do remember that the best way is to buy one laptop! (^^ kidding)
Let’s read carefully and learn that dirty-dealing skills:
Have you ever had a PC that started making strange whining noises? Even if you’ve investigated the cause of the noises, which can often sound pretty serious when you hear them, you may not realise the reason for them. The chances are they’re caused by a cooling fan with dust in its bearing.
Fans are one of the few components in a PC which have unsealed moving parts. By their nature, they have to be open to the air to suck heat out of the machine and push cool air in. As a result, they’re extremely susceptible to all the airborne particles that make up household dust.
Contrary to popular myth, household dust is not primarily composed of human skin. In fact, although there are some skin cells present in virtually all house dust, its composition varies quite dramatically from area to area, season to season and room to room.
As you might expect, it includes pet hairs, pollen, plant seeds and broken-down insect remains, as well as lots and lots of particles of dirt. Both the organic and inorganic components of house dust can be troublesome to a machine with moving parts. Minute fragments of minerals can become trapped between bearings and shafts, while a build-up of softer material can act as a brake and slow a fan’s rate of rotation.
Thankfully, with a little DIY work on a typical desktop PC case, you can increase the reliability of the fans, which in turn ensures proper cooling of all your system’s important components: processor, video card, memory and power supply.
The simple answer to fan failure is to filter the air that enters your PC. Doing this isn’t difficult at all, and here’s a really simple way to cut out the muck.
1. Find a filter
The obvious filter material for a PC intake is that used for screening dust in a vacuum cleaner filter pad, since this material is designed expressly to perform this function.
filters
These filter pads are cheap and readily available from all good electrical shops, and since you’ll mark out and cut the filter material to fit your particular PC, it doesn’t matter which vacuum cleaner model filters you buy.
You’re after the largest area of filter you can get for your money, though, so go through the different models. You may be able to buy filter material in sheets, which could be even cheaper. It won’t be a major outlay: you’re typically looking at spending just a few pounds for a bag of filter pads.
2. Hold it in place
To get started, you’ll need to find something to hold the filter material in place over the intake on your PC’s case. You could stick it in place, but that would make it hard to replace periodically. Fortunately there’s a ready-made holder for the filter material in the form of a simple J-shaped plastic extrusion.
Holders
This kind of extrusion is normally used to hide the rough edges of hardboard or acrylic sheet fittings, but it’s just as good for holding vacuum filter material, and the gap is ideal for use as a slide fit. It’s available in strips from DIY chains like B&Q and Homebase for a couple of pounds a metre.
You should be able to get all the lengths you need to add filters to a typical PC from one extrusion pack. Measure the size you need to hold the filter material in your PC and cut it to length with a craft knife.
In most cases, two strips placed at the top and bottom of the filter will work best, but for small areas a single strip may suffice. You can attach the strips of extrusion to the case with double-sided tape, applied first to the extrusion and then to the PC’s case. This tape is readily available from most DIY stores.
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\\ tags: computer, dust, pc, skills
), resetting your BIOS, cleaning your temp-files, limiting your start-up programmes. Today, I would like to introduce one free software(sounds good): 
WinPatrol takes snapshot of your critical system resources and alerts you to any changes that may occur without your knowledge. WinPatrol was the pioneer in using a heuristic behavioral approach to detecting attacks and violations of your computing environment. It continues to be one of the most powerful system monitors while staying a single small program.
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