What causes increase noise when you computer is running and how can you fix it

There are several potential reasons why your computer may be making more noise than usual when it’s running. One common cause is dust buildup inside the computer, especially on the fans and heat sinks. Dust can obstruct airflow, causing fans to work harder and create more noise. Another possible cause is a malfunctioning or failing fan, which may also produce loud noises.

To fix the noise issue, you can start by cleaning the inside of your computer to remove any dust buildup. Shut down the computer, unplug it from the power source, and open the case carefully. Use compressed air or a soft brush to clean the fans, heat sinks, and other components. Be gentle to avoid damaging any parts.

If cleaning doesn’t solve the problem, you may need to replace the fan or fans causing the noise. Make sure to buy the correct type and size of fan for your computer. You can find replacement fans online or at electronics stores. If you’re not comfortable replacing the fan yourself, you can take your computer to a professional technician for repair.

In some cases, the noise may be coming from other components such as the hard drive or power supply. If you suspect this is the case, it’s best to seek professional help to diagnose and fix the issue.

Increased noise from a computer can be caused by several factors, such as:

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Dust Build up :

Yes, dust buildup can increase noise when your computer is running, especially if the dust accumulates on the fans or other moving parts. To fix it, you can follow these steps:

Turn off your computer

Make sure your computer is completely shut down before you start cleaning.

Open the case

Depending on your computer’s design, you may need to remove screws or use a latch to open the case. Refer to your computer’s manual for instructions.

Use compressed air

Use a can of compressed air to blow away dust from the fans, vents, and other components. Hold the fans in place to prevent them from spinning while you clean them.

Clean the vents

Use a soft brush or cloth to clean the vents and remove any dust buildup.

Check the power supply

If your power supply has a fan, make sure to clean it as well. Use caution and avoid touching any components inside the power supply.

Reassemble and test

Once you’ve cleaned the components, reassemble your computer and turn it on to see if the noise has decreased.

Regularly cleaning your computer can help prevent dust buildup and reduce noise over time.

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Fan Issues:

Fans can wear out over time due to normal use, which can cause them to become unbalanced or produce more noise. Regular maintenance, such as cleaning and lubricating the fan, can help extend its lifespan and prevent these issues. If a fan is making excessive noise or wobbling, it’s a good idea to check and see if it needs to be repaired or replaced.

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Hard Drive:

If your hard drive is making noise, it could be a sign of a failing drive. Unusual noises like clicking, grinding, or whirring from a hard drive can indicate potential hardware issues, such as a failing drive or problems with the drive’s motor or bearings. If you hear such noises, it’s advisable to back up your data immediately and consider replacing the drive to prevent data loss.

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Cooling System:

If the cooling system is not functioning properly, components may overheat, causing fans to run faster and louder.It sounds like you’re interested in the importance of the cooling system for components. The cooling system is crucial because it helps maintain the temperature of components within a safe range. When the cooling system fails or is not functioning properly, components can overheat, which can lead to performance issues, damage, or even complete failure. In such cases, fans may run faster and louder as they try to dissipate heat, indicating a potential problem that needs to be addressed.

To fix increased noise from your computer, you can try the following:

    • Clean the Fans

Use compressed air to remove dust buildup from fans and vents.Cleaning the fans and vents of your computer or other electronic devices is a great way to improve their performance and lifespan. Using compressed air to blow out dust and debris can help prevent overheating and maintain optimal airflow. Remember to turn off and unplug the device before cleaning, and aim the compressed air carefully to avoid damaging any components.

Check for Obstructions

To ensure that no cables or other objects are obstructing the fans, visually inspect the area around the fans and make sure that there are no cables, wires, or other objects blocking the airflow. If you find any obstructions, carefully move them away from the fans to allow for proper cooling.

Replace the Fans

If the fans are worn out or unbalanced, it’s important to replace them to maintain proper cooling and prevent damage to the components.

If you’re experiencing increased noise from your computer, it could be due to several reasons, including dusty fans or failing hardware. To address this issue, consider replacing the fans.

Here’s a general guide on how to do it:

Gather the necessary tools:

You’ll need a screwdriver, replacement fans, and possibly thermal paste if you’re replacing the CPU cooler.

Power off and unplug your computer

Ensure it’s completely shut down and disconnected from power.

Open the case

Depending on your computer case, you might need to remove screws or use a latch to open it.

Locate the fans

Identify the fans that are making noise. You might have case fans, CPU fans, and GPU fans.

Remove the old fans

Unscrew the fans from their mounting points. Disconnect any power cables connected to the fans.

Install the new fans

Mount the new fans in the same location as the old ones. Connect any power cables to the new fans.

Close the case

Once the new fans are installed, close the case and secure it with screws or the latch.

Power on your computer

Turn on your computer and check if the noise issue is resolved. If not, there may be other components causing the noise.

If you’re not comfortable performing these steps yourself, consider seeking help from a professional technician.

Check Hard Drive:

    • Use diagnostic tools to check the health of your hard drive and replace it if necessary.
    • To check the health of your hard drive, you can use various diagnostic tools depending on your operating system.

Here are some general steps: Windows:

Check Disk Utility

Open Command Prompt as an administrator and run the command

`chkdsk /f /r` to scan and fix disk errors.


Download and install CrystalDiskInfo to check the S.M.A.R.T. status of your hard drive.


Disk Utility

Use Disk Utility to check and repair your disk. Go to Applications > Utilities > Disk Utility, select your disk, and click on First Aid.

SMART Utility

Download and install SMART Utility to check the S.M.A.R.T. status of your hard drive.



Use smartctl, a part of Smartmontools, to check the S.M.A.R.T. status of your hard drive. Run `sudo smartctl -a /dev/sdX` (replace sdX with your disk identifier).

    • If the diagnostic tools indicate that your hard drive is failing, consider replacing it as soon as possible to prevent data loss.

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6 Update Drivers:

Updating drivers can indeed help reduce fan noise in some cases, as it can improve the efficiency of components and how they interact with the system. If you’re experiencing excessive fan noise, especially after a recent hardware or software change, updating drivers for your graphics card, chipset, and other components may be worth trying.

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Improve Cooling:

Consider adding more fans or upgrading your cooling system to improve airflow and reduce noise.

To improve cooling, you can consider several options:

Add More Fans

Increasing the number of fans can improve airflow, which helps in cooling the components more effectively. Make sure to place them strategically to optimise airflow.

Upgrade Cooling System

Upgrading your cooling system to a more efficient one, such as liquid cooling, can significantly improve cooling performance.

Liquid cooling systems are generally quieter than air cooling solutions.

Clean Dust Filters

Dust buildup on filters can restrict airflow, leading to poor cooling performance. Regularly clean or replace the dust filters to ensure optimal airflow.

Optimise Cable Management

Improper cable management can obstruct airflow inside the case. Organise cables neatly to ensure unobstructed airflow to the components.

Monitor and Control Temperatures

Use software to monitor component temperatures and adjust fan speeds accordingly. This can help maintain optimal temperatures and reduce noise when cooling demands are lower.

Consider Ambient Temperature

The ambient temperature of the room can affect the cooling performance of your system. Ensure that the room temperature is within a reasonable range to help the cooling system work more efficiently.

Replace Thermal Paste

Over time, the thermal paste between the CPU/GPU and heatsink can degrade, leading to poor heat transfer. Replacing the thermal paste can improve cooling performance.

Upgrade Components

If your system is struggling to cool down despite these efforts, consider upgrading to more efficient components that produce less heat.

Remember to balance cooling performance with noise levels, as adding more fans or increasing fan speeds can lead to increased noise.

By regularly cleaning your computer, you can help prevent dust buildup, which can accumulate on components such as fans and heat sinks. This can lead to better airflow, reducing the strain on your computer’s cooling

system and potentially reducing noise from fans running at higher speeds. Regular maintenance can also help extend the life of your computer components.