How to Silence a Noisy Laptop Fan: 7 Things You Can Do

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How to Silence a Noisy Laptop Fan: 7 Things You Can Do

When it comes to getting work done in your preferred environment, nothing beats a laptop computer. However, mobility comes at a cost. Because of the small area within and the high-capacity batteries, heat buildup is often an issue.

When things get heated, your laptop fan will start to suffer. But why is your laptop fan creating such a racket, and how can you make it more quiet? Let us investigate.

What You Need to Know About Laptop Fan Noise

Wondering why your laptop fan is so loud?

Fans are installed in laptops, touchscreen hybrids, and other gadgets for one reason: to disperse heat by moving air.

When your fans turn on, it’s usually because they’re meant to. However, it may be disturbing and, in some situations, rather loud. When under tremendous pressure, even the most costly system, such as the newest MacBook Pro, sounds like a drone taking flight.

If the temperature outside is high, your laptop will have to work more to disperse heat, resulting in increased fan noise. Similarly, if the vents are blocked (as is often the case while using a laptop on soft furniture), the laptop will get heated.

Meanwhile, if you’re playing a 3D game, utilizing webGL, or producing video, heat will accumulate.

If your fans sound okay yet continue to run continuously, the fan unit is unlikely to be the problem. If your laptop overheats often, see our advice on how to solve an overheated laptop. First, here are seven techniques to silence your laptop fan.

1. Kill Your Processes to Stop a Noisy Laptop Fan

Fans that turn on without notice are reacting to demands put on the hardware, most typically the GPU. The best solution is to remove the demand by terminating the process.

Mac users may use Activity Monitor to isolate and eliminate undesirable programs, while Windows users can utilize Task Manager. Linux users may also use a variety of ways to terminate malicious processes.

If heat is an issue, it may be prudent to avoid too many tasks from launching when your computer boots. Users of Windows 10 may modify the starting folder, whilst Mac users can go to System Preferences > Users > Startup and delete everything unneeded.

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Linux starting routines may also be modified to make the laptop fan quieter.

2. Using a Mac? Reset SMC & PRAM to Make Your Laptop Fan Quieter

Resetting the SMC is a fast fix for Mac users who are experiencing continual fan noise (system management controller).The SMC is in charge of all day-to-day administration, and out-of-control fans are a typical indicator of a problem.

You might also try resetting the PRAM and learning how to manage the fan speed on your Mac.

3. Laptop Fan Running Loud? Cool It Down

Laptop coolers used to be simple metal plates with fans in the base, intended to optimize available airflow. They’re now coated in LEDs, have changing wind speeds, temperature sensors, and built-in USB ports.

Fortunately, accessories such as the Liangstar Laptop Cooling Pad continue to keep your laptop cool.

If you use your laptop on a desk or in another static position, a cooler is great. They’re a very appealing buy for individuals who want to play intensive 3D games, generate video, or put their system through its paces for lengthy periods of time.

Remember that although external coolers may help with heat, they are not a long-term solution for persistently hot, loud laptops.

4. Laptop Fan Noisy? Clean Your Laptop!

Dusty laptop fans get noisy
Image credit: Timo Kuusela/Flickr

If you’re still wondering why your laptop is so noisy, it might be because it’s unclean.

Loud laptop fans indicate heat; if your fans are constantly loud, your laptop is always hot. Dust and hair accumulation are inevitable and simply serve to restrict airflow. Reduced airflow equals poor heat dissipation, therefore you’ll need to clean the machine physically to improve matters.

Caution: If your computer is still under warranty, opening it will invalidate it (including after-market extended warranties like AppleCare).Furthermore, you risk damaging components if you don’t know what you’re doing. Take precautions or seek the advice of a buddy with greater expertise.

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You’ll need a can of compressed air, a screwdriver to open your laptop, and some patience to clean your computer. You should also wear an anti-static wristband and disconnect your computer from the power source (and, if feasible, remove the battery) to prevent static electricity hurting the internals or yourself.

Use quick bursts of air to remove dust and hair from interior components, especially around fans and heat sinks. Read our comprehensive laptop cleaning guide, which covers ports, vents, and internals.

How to Clean a Laptop’s Screen, Cover, Keyboard, and Fans

5. How to Make a Laptop Fan Quieter With a Software Fix

Third-party software may be used to alter the fan speed on most laptops. Some even come with built-in controls.

These programs often allow you to change the speed of your laptop’s fan or start a cleaning process to remove dirt and dust. In principle, you might lessen fan noise on your laptop by slowing it down.

However, this can make your laptop hotter, limiting its long-term longevity, so use with caution.

There are third-party fan management programs for Windows, macOS, and Linux.

Download: Macs Fan Control (Windows and Mac)

You’ll need to install the lm-sensors and fancontrol packages on Linux. For further details, see this StackExchange discussion about handling a loud fan on a Linux laptop.

6. Laptop Fan Making a Buzzing Noise or Rattling? Replace It!

You have an issue if your laptop fans suddenly start creating a loud rattling or buzzing noise.

The problem is most likely with the fan’s bearings. Almost often, changing the fan is the solution. While jammed bearings may be repaired, the process is likely to take longer than purchasing and installing a new fan.

It is not difficult to replace the fan, but it is not a job for those who are inexperienced with laptop maintenance. While the core premise is the same across all laptops, the techniques vary depending on the model and manufacturer.

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The following video shows how to replace the fan on an HP Pavilion 15 Notebook.

7. Get an Expert to Check the Loud Laptop Fan

Still curious about why your laptop fan is making such a racket, but hesitant to open the device? It’s time to consult an expert.

Hopefully, your PC is still covered under warranty. Other manufacturers have their own repair procedures; an Apple laptop may be brought to an Apple Store.

If you purchased online or if your vendor is too far away to visit, PC repair shops are another choice.

The best-case scenario is that they will be able to clean the laptop and maybe replace the fan. Be prepared, though, for unpleasant news. In certain circumstances, replacing critical hardware, such as the motherboard, may be required.

You’ll usually be offered a repair price; if it’s too high, it can be cheaper to purchase a new laptop.

Success, You Fixed That Noisy Laptop Fan!

If your laptop has a loud fan, follow these easy methods to repair it:

  1. To keep the fan quiet, kill processes.
  2. SMC and PRAM should be reset on Macs.
  3. Keep your laptop cool
  4. Clean your laptop
  5. Control the speed of your laptop fan using software.
  6. Replace your laptop fan
  7. Get an expert to check the noisy laptop fan

Are you thinking of purchasing a new laptop? Consider loud fans and heat control. Hybrids, such as Microsoft’s Surface line and the iPad Pro, create heat but employ more efficient components (and less powerful chips).

You should also keep an ear out for any strange noises coming from your computer.

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