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Computer is Very Noisy

A noisy computer can be an extremely annoying one, hence the rapid rise in popularity of quiet computer hardware. If your computer is starting to sound more like a helicopter than something that emits a tolerable hum, then try the following tips to remedy the problem.

1 - Clean Your Computer
Computers gather a great deal of dust over a fairly short amount of time. Dust collects on the gills of heat sinks, clogs up fans and gets into every nook and cranny of your computer's insides. Dust acts as an insulator as well, meaning that your hardware runs hotter than it should do. Higher temperatures mean that the fans have to work harder, hence the increase in noise.
You should regularly clean the interior of your computer. Getting rid of dust also helps to prevent short-circuits. The most effective way to clean the computer is to use cans of compressed air to blow the dust out of otherwise hard-to-reach places. Some cases have a grill at the front which is designed to collect dust. If this is the case, remove and clean the grill frequently.

2 - Avoid Overclocking
If you have any overclocked components in your computer, change them back to their factory settings. While overclocking a processor or graphics card can provide a very significant performance boost, it also increases the risk of hardware failure and, of course, temperatures of overclocked hardware will be a lot higher. If the fans in your computer are noisier after an overclock, then that is most likely the problem.

3 - Alter Fan Speed
Changing fan speed should be done with care, since lowering it too much can cause your hardware to overheat. For best results, you should always choose the automatic or default options. However, you can experiment, so long as you monitor hardware temperatures carefully. Depending on the cooling system in your computer, you can sometimes control CPU fan speed via a switch inside the case. Graphics card fan speed is usually controllable from the nVidia Control Panel if you're using an nVidia graphics card or from the Catalyst Control Panel if you're using an ATI graphics card. Whichever you are using, you can access the graphics card control panel by right-clicking the desktop and clicking the appropriate option.


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