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What should I do if my computer's CPU fan is loud?
The importance of computers for us is obvious. Whether it's our work or life, computers are taking over an increasing share. In process of using computers for a long time, we must have come across a situation where CPU fan of computer is loud. How to solve this problem, then I will talk about causes and solutions of loud computer CPU fan noise.
Reason why computer's CPU fan is loud:
1. If fan is used for too long, fan coil will age and lack oil.
2. Due to misuse, center shaft has bent due to shock or vibration.
3. The position of fan is misaligned due to excessive dust accumulation or loose fixing screws.
4. Nutrition problem.
Solving the problem of loud computer fan noise:
1. Remove dust
Generally speaking, noise of a newly purchased fan is relatively small, but after a certain period of use, it will become much louder. Dust is one of biggest contributors to increased fan noise, as all-pervading dust can always get into a case that is not completely sealed. When CPU fan rotates at high speed, swirl effect makes it easier for dust to stick to fan. Undoubtedly, at this time it is necessary to remove CPU fan and clean it well, and when removing dust, one should pay attention to gap between back of fan and heatsink, which is easiest to forget about.
2. Add lubricating oil
For fans with oil bearings, motor drive shaft often becomes inflexible after a long period of operation. For this reason, it is recommended to add lubricating oil to this position, recommending mechanical lubricating oil or gasoline engine oil. Of course, you must be careful when adding lubricating oil and not overfill it.
3. Reduce vibration
Also, problem of vibration requires our attention. Usually, a fan rotating at high speed collides with heatsink at high frequency. If contact between fan and heatsink is stable, vibration and noise will occur. in a collision can be significantly reduced. For example, if you hold a fast-spinning CPU fan in your hand, its noise is much less than that of a heatsink-mounted one, because soft hands absorb most of vibration. According to this principle, adding a 1-2mm thick soft pad (such as leather rubber) between four corners of fan and contact surface of heatsink can effectively reduce noise generated by fan vibration and heat. sink.
The above is an introduction to causes and solutions for loud computer CPU fan noise. If they reduce noise of CPU fan, it means that CPU fan is working properly and there may be a problem with hard drive. You can ask a professional to take a look.