Computer Fan is Loud When Watching YouTube Videos

Published by Nyau Wai Hoe - Updated on

If you’ve noticed that your computer fan is making loud noises when watching YouTube videos, this is a common problem that can be caused by a number of factors. However, the good news is that there are several solutions you can try to fix it. In this article, we’ll explore the possible causes of loud computer or laptop fan noise when watching YouTube videos and provide potential solutions to mitigate the problem.

Similar issue: High GPU Usage While Watching YouTube Videos

Computer Fan is Loud When Watching YouTube Videos

Potential causes of loud PC fan noise while watching YouTube

A loud computer or laptop fan can be distracting, especially when you’re trying to relax and watch YouTube videos. There are various factors that may contribute to the increased fan noise, from hardware issues to software-related problems. Understanding the root cause of the problem is crucial for finding an effective solution.

It’s important to note that in most cases, the noise is a normal phenomenon, indicating that your computer’s or laptop’s cooling system is working to maintain optimal temperatures. However, excessive fan noise can disrupt your experience and may even signal underlying issues that need attention.

See also: Game Lag When Watching YouTube or Twitch on Chrome

High CPU usage

Watching YouTube videos can sometimes lead to high CPU usage, particularly if you’re streaming high-definition content, using a low-end desktop or laptop computer, or have limited system resources. As your computer works to process and display the video content, it generates heat.

Loud Laptop Fan When Watching YouTube Videos

This increased demand on your CPU may cause your fan to work harder to dissipate the heat generated by the processor, resulting in louder fan noise. This is especially noticeable in older or less powerful laptops that may struggle to handle the demands of modern video content.

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Dust accumulation

Over time, dust and debris can accumulate inside your computer or laptop, restricting airflow and reducing the efficiency of your cooling system. Dust can clog the vents, heat sinks, and other components, making it difficult for your system fan and other fans to dissipate heat effectively.

This can cause your fan to work harder and produce more noise as it tries to keep the internal temperature in check. Laptops, in particular, are more susceptible to dust accumulation due to their compact design and limited space for airflow.

PC Fan is making loud noises

Faulty fan or bearing

If your computer fan has become excessively loud, it could be due to a worn-out or damaged fan bearing. This issue may cause the fan to spin unevenly or at an irregular speed, leading to increased noise and possible further damage if left unaddressed.

In some cases, the fan blades themselves could be damaged or warped, causing similar issues. Regularly inspecting and maintaining your computer’s or laptop’s cooling system can help prevent these issues and ensure smooth operation.

Recommended resource: Why is my CPU Overheating and How to Fix it?

Background processes

Background processes or applications running on your computer may consume significant system resources, increasing the overall temperature and causing your fan to become louder.

System Fan loud noises while watching YouTube

This can be especially problematic when watching YouTube videos, as your computer may already be working hard to process the video content. Examples of resource-intensive background processes include software updates, large file downloads, and running multiple applications simultaneously.

Related problem: Why is My Memory Usage So High When Nothing is Running?

Solutions to loud computer or laptop fan noise

While it might seem daunting to tackle the issue of a loud computer or laptop fan, there are several simple steps you can take to address the problem. By implementing one or more of the following solutions, you can not only reduce fan noise but also potentially improve your device’s overall performance and lifespan. Remember that each situation is unique, so it’s essential to identify the root cause of the noise before attempting any fixes.

Useful tip: How to Set YouTube to Always Play Highest Video Quality

Update browser and plugins

Make sure that you’re using the latest version of your web browser and that all plugins are up-to-date. Updated software often includes performance optimizations and bug fixes that may help reduce CPU usage and fan noise.

Additionally, some browsers are better optimized for video playback, so experimenting with different browsers might help to reduce the strain on your computer or laptop.

Update Chrome browser

Clean your computer

Regularly cleaning your desktop or laptop computer can help prevent dust accumulation and improve airflow. Use a can of compressed air to gently blow dust out of your computer’s vents and fans.

If you’re comfortable disassembling your computer, you can also remove the fan and clean it more thoroughly. Be sure to power off your device and disconnect it from any power sources before attempting any cleaning or disassembly.

Replace or repair the fan

If your computer fan is damaged or has a worn-out bearing, it’s time to either replace or repair it. Consult your computer’s or laptop’s manufacturer or a professional technician to determine the best course of action.

Replacing a faulty fan can significantly reduce noise and prevent further damage to your system. In some cases, lubricating the fan bearings with a few drops of light machine oil can help to reduce noise and extend the fan’s lifespan.

Replace computer fan

Optimize background processes

Keep an eye on the background processes running on your computer. Close unnecessary applications and services to free up system resources and reduce the strain on your CPU. You can use Task Manager (Windows) or Activity Monitor (Mac) to monitor and manage these processes.

Additionally, consider using lightweight alternatives to resource-intensive applications when watching YouTube videos. Disabling unnecessary startup items and scheduling system-intensive tasks for times when you’re not watching videos can also help alleviate fan noise.

Handy hint: How to Know Which App is Using The Internet in Windows 11

Invest in a cooling pad

A cooling pad can help improve airflow around your laptop computer, keeping temperatures lower and reducing the workload on your internal fan. This can be an effective solution, particularly for laptops that are prone to overheating.

Cooling pad for laptop

Cooling pads are available in various designs and sizes, with some featuring additional fans to further enhance cooling performance. When selecting a cooling pad, consider factors such as the size of your laptop, the amount of heat generated by your device, and your preferred ergonomic setup.


Loud computer fan noise when watching YouTube videos can be caused by various factors, including high CPU usage, dust accumulation, faulty fans, and background processes. However, it is usually a normal phenomenon that you shouldn’t be worrying about, as long as you have adequate cooling and your computer doesn’t overheat.

If you want to reduce the computer fan’s noise, there are several solutions you can try. Cleaning your fan, upgrading your hardware, lowering video quality, closing unnecessary programs, and using a laptop cooler are all effective ways to reduce fan noise.

Categories: HardwareLaptopYouTube

Nyau Wai Hoe
Nyau Wai Hoe is the Founder and Chief Editor of With a degree in software engineering and over 12 years of experience in the tech support industry, Nyau has established himself as an expert in the field, with a primary focus on the Microsoft Windows operating system. As a tech enthusiast, he loves exploring new technologies and leveraging them to solve real-life problems.

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