7 ways to reduce noise on laptop and computer cooling fans effectively

Laptops after a long time of use often encounter fan problems that are suddenly abnormally loud or make an annoying squeak. You need to know the cause and fix it right away before it leads to more serious component failures.

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The reason why the laptop fan is loud and raspy

There are many reasons that cause laptop fans to be loud and hissing, but the following are the main causes noted by many users who often experience this condition:

Dust and dirt stick to the fan and fan parts for a long time

This error is considered the most common error, if you have not cleaned your laptop regularly, it will lead to dust sticking to the fan blades, making the fan heavy, causing imbalance.

In addition, a lot of dust can cover the fan’s heatsink slot, since then, the fan must operate at maximum capacity, so it emits loud and annoying noises.

The fan is dry and has run out of CPU thermal paste

If you have been using a laptop for a long time without changing the thermal paste for the CPU, this is the main cause of the heat, because when the thermal paste runs out, your cooling fan must work more.

Oily fans can also be the cause of the laptop making an annoying sound.

Fan is damaged or broken

Laptop fan is damaged due to many reasons:

• It may be due to improper transportation, no shockproof bag, causing other hardware and fans to collide.
• Leaving the laptop on the mattress to use makes the laptop not able to escape heat.
• In the process of improperly disassembling the fan, heat is blown back into the machine.

The fan is broken, so it rotates unevenly, gradually the fan and contact parts become loose, causing strange sounds, louder than usual.

Laptop infected with malware

When infected with a virus, your laptop will have many programs running in the background and the machine has to process a lot, leading to the machine heating up, which causes the fan to work at full capacity to “cool” the CPU, until it’s exhausted. will emit a sound begging the user for help.

The correct and most effective way to fix it

Clean the laptop periodically

Since buying a new laptop, you should clean your laptop once every 2 years , if you work in a dusty environment , this number is 1 year , especially the cooling fan. Also change the CPU thermal paste and add lubricating oil to the shaft to make the fan more stable.

If you have experience, you can also do this work yourself at home, if not, you can go to the company’s authorized center or go to lassho.edu.vn for support to send it to the company for free inspection.

Replace the cooling fan if the fan fails

In case the fan is damaged, you have no choice but to buy a new one to replace it. The average price of a new laptop fan varies between VND 500,000 depending on the brand.

Check to see if your computer is infected with a virus

If your computer is very slow and often installs applications from unknown sources, your computer may be infected with a virus.

First, press Ctrl + Alt + Del to open the Task Manager window. Then see % CPU usage of running applications.

Often some malicious applications will consume quite high CPU because they are active at the same time, you should remove these applications as quickly as possible.

At the same time, you should use additional anti-virus software such as Windows Defender to find and remove viruses, do not visit malicious websites, avoid using crack software and should use a copyrighted Windows operating system.

Use a separate heatsink

Currently on the market there are many types of cooling pads for laptops, with many different models and prices. When shopping for this computer accessory, you need to pay attention to the efficiency of your laptop with some of the following notes:

• Choose reputable brands with good quality such as: Coolcold, Wincom, Coorel, …
• There must be a ledge on the laptop stand to prevent the laptop from slipping when in use.
• The heatsink must keep a reasonable distance from the tabletop to the laptop to dissipate heat most effectively, usually the thickness of the heatsink will fall to about 2.5 cm .
• The cooling fan system must be able to absorb heat well from the laptop. You can check by opening the active heatsink base, then touching the underside and around the base, if it’s cooler in the palm of your hand, the better the fan will dissipate heat.

Check the running software

On a Windows machine, press Ctrl + Shift + Esc to bring up the Task Manager and click the More Details button. If you’re on a Mac, press Ctrl + Space and search for Activity Monitor .

This can cause the machine to download a program like Core Temp (Windows) or Temp Monitor (Mac) to see if your CPU is getting hot.

If you’re not doing anything intensive at the moment, your CPU usage will be low in Task Manager, typically less than 20% .

If your computer is idle and your CPU is consuming 100% of its power, go through that list to see which program is causing it. Perhaps a piece of software is running in the background that you forgot about, or your computer is infected with malware that uses your PC’s resources without your knowledge.

If the fan noise is only when you run heavy programs like gaming or converting a large video file, it’s time to take a closer look at the hardware.

Create an open space for the machine to operate

Without air to circulate around your PC, it will get hotter than it should, causing your fans to work at full capacity to cool it down.

If you’re using a laptop, don’t rest it on top of a pillow or other plush surface, as this blocks the vents that allow air to enter and exit the computer.

Anything that obstructs airflow will overheat your PC, push your fans to spin harder, and make noise to achieve a balanced temperature.

Install the fan management program of the machine

Some computers run the fan most of the time, which is especially common if you haven’t made any tweaks to the cooling hardware.

If your fans are plugged into your computer’s motherboard, you can control them using the motherboard BIOS. Enter the BIOS menu by pressing a key when the computer boots, usually DEL, F2 , or another key. Then, find the machine hardware monitoring software.

Each BIOS is a little different, so the article cannot guide you through the exact steps. Some BIOSs will only offer high and low fan settings, while other BIOSes may offer level adjustments that allow you to set different fan speeds such as CPU temperature.

If your BIOS doesn’t have any fan control options, download a program like SpeedFan to help with fan settings. For graphics cards, MSI Afterburner can help you adjust your machine’s fan settings when you’re playing a heavy game.

Thus, we have just learned together about the cause of the laptop fan making unusually loud and rattling noises and how to fix it. If you have any questions, please leave a message so that lassho.edu.vn can best support you!