Business-grade laptop released in 2009. Model Number: Latitude E5500.

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What could be causing loud fans?

The fans in the computer are making loud noises that it never had before. Even when the computer is running something simple, like a web browser, the fans are making noise.

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If I could give a one word answer it would be dust. Dust throws the fan out of balance and causes it to make more noise than usual it also decreases the cooling efficiency of the computer so the fan runs harder for longer .To clean it you can do it one of two ways . one is to take the computer apart and physically clean the fan this will yield the best result . Or you can by a can of compressed air from your local computer store and blow air through the vents both ways works best one way for a while then through the exhaust. If you have access to an air compressor you can use that as well as long as you dont hit it with too much pressure. Hope this helps

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The most common cause of this issue is dirt and dust making it's way into the fan and venting system of the device. The best way to be completely take care of this problem would be to take apart your device and clean it by hand. Once you've cleaned your vent and fan system, put the device back together as before and your problem should be solved.

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