How To Clean Laptop Fans Without Opening? Complete Guide

In This Article, We Share with you how to Clean Laptop Fans. You may have noticed that your laptop computer gets hot when you use it for long periods of time. This is because the heat generated by running programs and using the internet escapes through the ventilation system, which includes a fan to help cool down your device.

What are Laptop Fans?

Laptop fans are used to cool down the internal components of your laptop. They circulate air through the laptop to keep it from overheating. Over time, the fans can get clogged with dust and dirt which can cause them to work less efficiently. Cleaning your laptop fans regularly will help keep your laptop running cooler and prolong its life.

Why do Laptops need a fan?

Laptops need a fan to prevent them from overheating. The fan helps to circulate air and keep the components cool. If the fan is not working properly, the laptop can overheat and this can damage the components.

How often should you clean your laptop fan?

It is recommended that you clean your laptop fan every few months to ensure it is working properly. You can use a can of compressed air to blow the dust out of the fan. Be sure to hold the can upright so that the dust does not blow back into the laptop.

What are some signs that your laptop fan needs to be cleaned?

If your laptop is running hot, or if the fan is making noise, these are both signs that it is time to clean the fan.

Dust is one of the leading causes of laptop overheating. All you need to do is clean your laptop fans, which doesn’t require opening up the laptop.

Over time, dust can accumulate inside this area and make it difficult for air to flow freely – causing overheating! Cleaning your laptop fan is a great way to get it running faster and quieter. You’ll need some compressed air, rubbing alcohol, cotton swabs, paper towels, or tissues for this job. Don’t forget to turn off the computer before you start cleaning!

How to Clean Laptop Fan Without Opening?

How To Clean Laptop Fans Without Opening Complete Guide

There are a few ways to clean your laptop fans without opening up your laptop. One way is to use a can of compressed air to blow the dust and dirt out of the fan blades. Another way is to use a vacuum cleaner with a brush attachment to gently brush the dirt off of the fan blades.

If your laptop is still overheating, even after cleaning the fans, you may need to replace the thermal paste between the CPU and the heat sink. This paste helps conduct heat away from the CPU and dissipate it into the surrounding air. Over time, it can dry out and become less effective.

Replacing the thermal paste is a more advanced procedure and should only be attempted if you are comfortable working inside your laptop.

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1. How Clean with Vacuum Cleaner?

1. Turn off the laptop, unplug it from the power source and remove the battery

2. Open the screen as much as possible to allow room for airflow

3. Use a vacuum cleaner to suck out dust/debris on fan blades or use a can of compressed air

4. Clean fan with a dry cloth if necessary

5. Close the screen and turn back on laptop after 5-10 minutes (to ensure all debris is removed)

2. Clean With Air Compressor?

If you have a laptop with a fan that’s starting to make noise, chances are it just needs to be cleaned. Over time, dust and other debris can accumulate inside the fan, causing it to work harder and making it more likely to overheat.

Fortunately, cleaning out your laptop fan is relatively easy and can be done without even opening up your computer. All you need is a can of compressed air and some patience.

Here’s how to clean your laptop fan with compressed air:

  1. Turn off your laptop and unplug it from any power source.
  2. Flip it over so that the bottom is facing up.
  3. Locate the fan vents on the bottom of the laptop. There are usually two or three of them, and they’ll be covered by grilles.
  4. Insert the nozzle of the compressed air can into one of the vents and give it a good blast of air. Move the can around so that you’re blowing air into all of the nooks and crannies of the vent.
  5. Repeat this process for each of the other vents.
  6. Once you’re finished, turn your laptop back over and plug it in

3. Clean Laptop Fans by Opening the Laptop?

  1. Turn off laptop and unplug power cord.
  2. Remove laptop keys (if possible). Sometimes you can remove laptop keys by wedging an edge, such as a credit card, under the key and prying it up slightly to break the seal underneath.
  3. Vacuum around the keyboard area and vents with a narrow nozzle attachment first to remove loose debris, then use a wider nozzle attachment for general cleaning. Do not allow dust or particles to fall into fans while cleaning laptop fan vents!
  4. Use cotton swabs dipped in

4. How to Clean With Liquid Cleaner?

  1. Turn Off your laptop And Disconnect the Battery.
  2. Open all The screws And You can Pull the Back side cover carefully.
  3. Turn the laptop upside down so that all of the dust falls out of the vents on top.
  4. Follow the instructions that we mention Above Guide for inside your laptop to Clean Carefully.
  5. Use paper towels or tissues to clean up any spilled liquid from step one.
  6. Use cotton swabs dipped in rubbing alcohol to clean around ventilation slits on top and bottom of the machine (be careful not to let anything drop into fans).
  7. Clean around keyboard area with compressed.


It’s important to make sure that all vents are clear of debris and hair so your computer can continue running without overheating. The same applies to the keyboard; crumbs can cause problems when typing! A little time spent maintaining your laptop now may save you from needing expensive repairs later down the line!

Don’t spray the laptop directly with compressed air. Always point away from the laptop and release the air at a 45-degree angle. Don’t use water or liquids as they can damage the internal workings of the laptop.


So there you have it, a simple guide on how to clean your laptop fans without opening up the machine. By following these steps, you can quickly and easily remove any dust or dirt that may be causing your fans to run slowly or not at all. Be sure to perform this task regularly to keep your laptop running as smoothly as possible. Thanks for reading!


What Is the Easiest Way to Clean a Fan?

1. Air compressor

3. Cleaning materials (i.e., wipes, paper towels)

4. Damp cloth or towel

5. Vacuum cleaner with a brush attachment and vacuum bag for collecting dust particles from the laptop keyboard and other surfaces of the laptop

Why is my laptop fan so loud?

Is your laptop fan running constantly or only when you are using the laptop for extended periods of time, like watching Netflix or playing video games on it. Check to see if there is any dust in the vents.  If you have a desktop computer, check to see if your tower is dusty and needs to be cleaned out. Clean off any dust that has accumulated around the fan with compressed air or a vacuum cleaner attachment.

Make sure that your laptop isn’t overheating by checking its temperature – this could lead to other problems down the line including hardware failure and data loss.

How do I clean the dust out of my laptop fan?

Shut down your laptop and remove the battery

Use a can of compressed air to blow out any dust particles from the fan

Take apart the computer, including removing all screws on the outside of the case

 Remove any parts that are in your way to access the fan

Locate where you would find a brush or vacuum cleaner with an extended hose attachment

After cleaning, put everything back together again in reverse order

How often should you clean your laptop fan?

Maybe not as often as you think. If it’s just dust buildup, then a quick brush with a dry cloth will do the trick. However, if there are greasy fingerprints or food stuck in the blades (gross!), use an alcohol-based cleaner to remove them.

What are the steps you need to do to clean your laptop fan without opening it?

  • Clean the laptop screen with a damp cloth.
  • Use compressed air or an air compressor to blow out any dust that has accumulated on the vents and grilles.
  • Remove excess dirt, hair, and other accumulations around moving parts using a can of compressed air or by blowing on them with an air compressor.

How can you clean your laptop fan without opening the computer?

  • Use canned air to blow dust out of the vents
  • Use a vacuum cleaner to suck it out
  • Use compressed air
Robert Karsyn

I Am Robert Karsyn (Graduate in computer science). I found LaptopsRai to Share my Experience Online World Wide. I have a Greater 8 Year Working Experience in the Computer Field and Love to troubleshooting Computer issues. In This blog, I Share My Experience and Provides You Best laptop Buying Guide۔

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