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How to deal with the noise of the computer's power supply fan?

Computer Power
How to deal with fan noise?

There are three reasons for the fan sound:

The first reason is that a lot of dust accumulates on the fan page, causing the weight of the fan page to be unbalanced. There is a phenomenon of off-axis. When the sound reaches a certain balance, the sound will drop. Sometimes there will be a big sound when it is just turned on, and the sound will be small after waiting for a while;

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The second reason is that the fan bearings lack lubricant. The third reason is that the power supply is not tightened or pinned. As a result, the fan rotates to cause the chassis to resonate after the power is turned on. If the chassis is thin, the hand can be placed on the chassis and even the obvious vibration can be felt.

The solution is to first remove the power supply, open the cover, clean the dust on the fan page, and then add some lubricant to the shaft. The lubricating oil is preferably yellow sticky oil. If you don't have it, you can choose car oil or sewing machine oil. After cleaning, put the power back into the chassis, be sure to tighten the four screws, and screw the back cover of the chassis.

Clean up the dust inside the chassis, especially the fan.

Get the person who repairs the computer clean, use the heat sink when the computer is hot

It should be the problem of dust

After cleaning the fan blade dust, pour a drop of sewing machine oil to lubricate.

Clean up a drop of special lubricant for the dust (sewing machine oil can also be done)

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When the sound reaches a certain balance, the sound will drop. It will always be loud when it is turned on. After a while, the sound will be small. Phenomenon;

Can get some oil down

Exclude the dust

Only clear the gray of the fan blade

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