Why Is My Laptop Fan So Loud? (Grinding Noise)

Why Is My Laptop Fan So Loud

If you have noticed that your laptop is making a lot of noise, it could be an issue with the fan. Laptop fans normally make a bearable sound, while some are quiet. However, if the fan gets louder with time, you can get it checked. Before that, finding out why the laptop fan is so loud is the first natural thing to do.

The most common reason why your laptop is so loud is accumulated dust. If your laptop has accumulated a lot of dust, hence obstructing the fan from functioning normally. This causes a strain on the fan, making it loud, and it can also lead to overheating. A noisy fan is unusual, and you should find an immediate solution.

3 Other Reasons Why Laptop Fan Is so Loud


Laptops overheat due to reasons such as software issues or processor issues. Gaming can also cause your laptop to overheat, which makes the fans strain to work, causing them to be louder than usual.

Pending Driver Updates

If your laptop has outdated drivers, it struggles to perform every task. This means that your laptop works extra hard to do the easiest tasks. This means that the fans struggle to work too, making them loud.


Malware such as viruses is risky for your laptop hardware. This causes chaos in the laptop software and hardware. They can cause the fans to get loud because the laptop gets overheated.

Related: Do laptop stands help with laptop cooling?

Why Is My Laptop Fan so loud- Hp

It is common for HP Laptops to get so loud. The reason is dirt accumulation on the fans, causing them to have problems when working. If you are using your laptop to run demanding software, the laptop might overheat, causing the fan to be loud.

Why Is My Laptop Fan So Loud- Dell

If your dell laptop fan is loud but there are no signs of dust accumulation, find out if the fans are faulty or broken. Broken fans will surely make a loud noise. The other reason could be a virus attack. Virus attacks cause the laptop to overheat, making the fans loud.

Dell laptops are known for their gaming capabilities. If you just got your Dell for gaming, then you could be overworking the laptop, which causes overheating resulting in a noisy fan.

Related: Gaming laptops that do not overheat

Why Is My Laptop Fan So Loud-Lenovo

Fan speed is controlled by the heat volume of the laptop. If you run demanding software on your Lenovo, for instance, adobe premiere pro, the laptop is likely to heat up, especially if the software runs all day.

Why Is My Laptop Fan So Loud- Acer

Fan issues are similar in most laptops. If you have an Acer, the reasons why the fan is so loud are:

  • Dust accumulation on the fans
  • Overheating due to multiple tasks
  • Virus attack on the laptop that causes strain on the software and hardware
  • The fan could be broken or faulty

How To Clean Laptop Fan Without Opening It

Now that we know dust and dirt accumulation on the laptop fan causes the fan to produce loud noise while working, we need to know how to clean the fan. It is easy to clean the laptop fan without opening it.

Using a small vacuum cleaner, you can clean the laptop fan without taking it apart. Position your vacuum cleaner mouth on the laptop fan and run it, until you see dust and dirt coming from the fan. Continue that process until the dust stops coming off the laptop.

How To Clean Laptop Fan With Compressed Air

Compressed air is one of the best laptop fan cleaners. If you do not want to open the laptop while using a can of compressed air, you need a straw to help with the process. Consider these few steps:

  • Fix straw, thin enough to fit into the laptop fan holes
  • Position the straw on the compressed air can
  • Using the straw, access the fan through the hole
  • Press the compressed air to clean the fan

Alternatively, open the laptop to access the fan more directly and use compressed air to clean the fan. Ensure that your laptop is switched off and that it is disconnected from all cables.

Why You Should Clean Your Laptop Fan

Here are some of the advantages of cleaning your laptop fan:

  • It helps improve your health because the air blown from the laptop is free from dust particles
  • It reduces laptop overheating
  • The fan becomes less loud
  • It increases the longevity of the laptop
  • It reduces the breakdown of other laptop parts
  • It improves the functionality of the laptop


It is easy to solve the loud laptop fan issue. Dust and dirt build-up is one of the most common reasons why laptop fans become so loud. While your laptop might have software issues or might be broken, start with cleaning the fan to see if it stops being loud.

Reducing the number of hours or the workload of your laptop might also help with overheating, therefore preventing laptop fan noise. If you try out all the tips mentioned and the fan remains so loud, you might need to replace it.

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Tom is a network engineer and a tech consultant. He spends his time solving networking problems while keeping tabs with the latest in the technology field.

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