Laptop makes buzzing noise? What is the cause and how to fix it?

Do you encounter a situation where your laptop makes a buzzing sound or the laptop fan makes a loud noise when plugged in? What is the cause of this and how to fix it? Find out now with HACOM!

Although it is a machine, our laptop also has a certain lifespan. After a long time of use, common signs of "age" such as slow laptop running or even laptop buzzing, laptop fan making loud noise when plugged in is very annoying. And if you do not find a solution to fix this phenomenon immediately, this situation will cause the laptop to have more and more serious problems, even sudden death. So how to fix the problem of a loud laptop? Below, TipsMake will guide you on how to fix the problem of a laptop buzzing at home before you give up and go to a repair center.

What causes laptops to make loud noises?

First, you need to understand that laptops are made up of a large electronic circuit board with internal components. And only mechanical parts such as fans or hard drives make them make a buzzing sound. Therefore, if your laptop makes a buzzing sound, it can only come from the following causes:

You haven't cleaned your laptop for a long time. This causes the laptop's cooling fan to get clogged with dust and dirt, no longer working smoothly as before. The fan's rotating shaft is clogged with dust, causing the fan to work harder and make a loud noise.
If there is no dust, the reason why the laptop makes loud noises is because the cooling fan is dry of oil.
The maintenance and upgrading process of components does not ensure technical standards. The parts do not fit together, causing jamming and making a buzzing sound.
During use, we accidentally dropped the laptop, causing the fan blades to break and not operate according to the original specifications.
Computers infected with viruses, malware, spyware use computer resources to mine hackers' coins.
The computer's HDD is faulty, causing a buzzing noise.
The laptop fan makes loud noise when plugged in, mainly because the fan is covered with too much dust, or because the fan is stuck or has foreign objects stuck in it.

How to fix laptop buzzing sound

From the above causes, we will find the simplest solutions as follows:

Check the software installed on your computer.

First, check all the software and applications installed on your computer. If you find any unnecessary or suspicious software > remove them immediately. You can immediately check which application is running and taking up the most resources of your computer by using the key combination Ctrl + alt + Del then go to Task Manager to check. Here you will see all the applications that are using the computer's resources such as CPU, RAM or hard drive. And whether to deal with them or keep them is your decision.

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Clean the entire laptop, especially the cooling fan if the laptop fan makes loud noises when plugged in.

If you encounter a case where the laptop fan makes a loud noise when plugged in , remember to clean the entire laptop, especially the cooling system, at least once a year. Dust will significantly reduce the performance of the machine. If you have no experience, go to a reputable laptop technical center to do this. Or if you have a little experience with hardware and a little bit of dexterity, you can do it yourself. But be careful not to turn a healthy pig into a lame pig.

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Reapply thermal paste

Thermal paste has a fairly long shelf life, but after a while it will gradually dry out and lose its heat dissipation properties. If you often use your laptop for tasks that require the machine to use maximum performance such as playing games or doing graphics work, you should pay more attention to this. Thermal paste will dry quickly in a short time, so if you find that your laptop is working poorly or making a buzzing sound, quickly reapply the thermal paste. By the way, add a little more engine oil to the laptop fan to make it work faster, this is also a very good way to fix the phenomenon of laptop fans making loud noises when plugged in .

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Replace the cooling fans if they are broken.

As mentioned above, laptop fans can easily break if you accidentally drop the device during use, causing the laptop fan to make a loud noise when plugged in . If the laptop fan is broken, replace it at the manufacturer's warranty center.

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Replace your computer's HDD if it is damaged.

Similar to the cooling fan, the laptop hard drive when damaged also makes a buzzing, creaking sound. If the laptop fan is fine, we should check and replace the hard drive if it shows signs of damage. And if it is really damaged, this is also an opportunity for you to upgrade the SSD for your computer because the price of SSD is currently much cheaper. Moreover, they bring more optimal performance.

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Above are all the causes and solutions to the common problem of laptop buzzing , laptop fan making loud noise when plugged in . If you have tried all the above methods but this problem still cannot be resolved, you should bring it to the warranty center for more specific inspection.