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The fan on my computer is overheating causing the system to close down, please advise as to why this is happening & how I may resolve the problem. Yours sincerely, William Hall.


Answers :

Hey mars bar,
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\015\012One of the most common reasons why a CPU or case fan will malfunction is due to built-up dust and debris. If a fan gets clogged with dust, not only can it stop spinning entirely but it can also cause internal components to overheat due to lack of proper ventilation.
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\015\012Generally the simplest way to resolve this type of issue is to open your computer case and clean the interior using a compressed air disposable duster. It is important to remember though that such dusters are not designed to be used for prolonged periods and instead are meant to be used in short, sporadic bursts. Additionally, you will want to make sure that the can is held at least six to eight inches away from the surface being cleaned, as compressed air can not only leave liquid residues behind but also may freeze surfaces if they are held too close.
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\015\012In the event that cleaning doesn't resolve the issue, there is a possibility that one or more internal components may be in need of service/replacement.
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\015\012If you are unsure how to proceed, I would strongly suggest speaking with your local computer repair technician or a Geek Squad® agent at your local Best Buy™ store for more information.
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\015\012Hope this helps you out.
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\015\012Sincerely,
\015\012Aaron
\015\012Go Ahead. Use Us.
First try to clean all air vents with canned air, if still overheating clean interior, redo heatsinks, check secondary fans.
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\015\012As you look into the vents, you may see dust build-up on foil radiators or heatsinks, not to mention on the fan assembly if it is visible. Depending the the size of the vents, you may be able to loosen up and capture some of the dust with Q-tips (cotton swabs) and **** it out with an electronics vacuum, but most technicians head straight for the compressed air. I'm not a huge fan of using compressed air to clean laptops without taking them apart, because while you'll definitely blow the dust off whatever you aim at, you'll often be blowing it somewhere else in the notebook. The immediate result will be a cooler running notebook because dust and lint build-up on heatsinks can act as a blanket, keeping the heat from being radiated and convected away, but if all you've accomplished if throwing that blanket over some other hot components that aren't visible through the vents, you may have greater problems in the future. Make sure you use a canned compressed air sold for cleaning electronics, otherwise there may be harmful propellants or liquids mixed in. Read the instructions, and if they tell you to always hold the can upside up, be careful to obey, because holding it upside down may result in squirting liquid
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