How to Make your PC Quieter

Some modern computers and laptops offer near-silent operation, but there are many others that can be extremely noisy.

The main cause tends to be the fan running when the CPU temperature is detected to be too high. This is, of course, to protect your device, but many other components can also contribute to PC noise.

There are lots of ways to reduce the noise your PC makes but before we start making changes to the settings and changing the hardware around, you should try to treat the root cause of the problem. problem before starting to address symptoms.

Keep your PC cool to reduce noise

If your PC fans are making a lot of noise, it could be because they’re trying to keep your system’s components cool. You can find out how warm your components are by downloading Core Temp, a free application that allows you to view the temperature from the Windows display.

Below you can see that the CPU cores are between 37 and 45°C is an acceptable range – if your CPU is idling at more than 60 degrees than you might have cooling issues, this could cause your fans to work overtime. It’s quite normal for temperatures to go up to 80 or 90°C when playing games or doing other intensive tasks, but these numbers will depend on your CPU model and how efficiently the heatsink and fan work. processor cooler.


Please note that it’s best to do this reading when your machine has been ‘idling’ for a while, so don’t run any strenuous programs like games, Photoshop or tweaking software. video editing.

If you think your PC is running too hot, making some changes to keep it cooler will reduce how hard the fans are, which in turn will reduce the amount of noise they make.

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If you haven’t dusted your PC in a while, here’s a good place to start – cleaning dirt off your PC’s fans and removing dust inside the case shouldn’t take you too long. time. If the room you’re using your PC in gets warm, taking steps to make the on-site atmosphere cooler will also help – finally, make sure your PC’s exhaust fan (usually at end of front panel) clearly. If your machine is on a carpet, try placing some cardboard underneath so the exhaust fan doesn’t suck dust from the carpet.

Method 1: Reduce fan speed

If you’re sure your PC is running at a reasonable temperature, you can adjust the fan speed. This is done in the BIOS, most commonly, but your motherboard manufacturer may provide a Windows application that allows you to change the fan speed from the desktop. Either way, you should be able to make the fan run slower to reduce noise.

A common sight in BIOS these days is graph-based fan control, where you can set the speed based on temperature for each fan connected to the motherboard. You can then set it to allow your components to run at higher temperatures with the fan at a lower RPM, reducing noise.

How to make PC work quieter

If you can’t adjust the fan speed in your BIOS, then consider buying a fan controller, such as this one from Amazon.

Method 2: Change your case fans

Case fans

If you believe your fans are generating most of the noise, replacing them is a relatively cheap and easy way to get a quieter system. They are usually held in place by four screws and only take a few minutes to swap.

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Both Noctua and Be Quiet! make extremely powerful and silent case fans and are two of the most respected brands in the cooling industry. Make sure you’re buying the right sized fans that will fit your case, and you can even check if your case has any extra fan slots that aren’t being used and buy another fan – just make sure your system has room for it.

Here are some specific models we recommend – be sure to measure your current fan so you’re purchasing the correct sized replacement:

Method 3: Change your CPU Cooler

The CPU cooler will be one of the most active fans in your system. Most CPUs will come with a standard cooler which is usually not the most efficient and therefore will usually be larger than an aftermarket cooler. If your CPU fan is making too much noise it’s a great idea to replace it with a larger aftermarket model, again Noctua and Be Quiet! are great options here.

Again, make sure you buy the right cooler for your CPU.

Replacing the CPU cooler is a bit involved as it can be difficult to reach the possible brackets on the underside of the motherboard. And you’ll have to clean the old thermal paste and replace it with a new one – if this is something you’re considering copper then make sure you check out our guide on how to apply the patch.

If you can afford it, you can purchase so-called closed-loop coolers that use water cooling and larger, quieter fans that are attached to the heatsink. Check out our review of the Corsair H115i Platinum.

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How to make PC work quieter

Method 4: Change your power supply

We are now moving towards more expensive options but power supplies have been known to cause a significant amount of noise in systems. Replacing your power supply is relatively easy, but it won’t be cheap, unfortunately. Be quiet! makes some great quiet running PSUs with Corsair’s range is also an ideal place to look.

How to make PC work quieter

When buying a new power supply, make sure it will provide enough power to run your components – the wattage should not be lower than your current PSU and ideally should be slightly higher.

Method 5: Change your PC case

Change your computer case

Not all computer cases are created equal, but some are better designed for quiet operation. This doesn’t simply mean having multiple fans: airflow is also key.

Coolermaster and Corsair both offer cases with excellent build quality for a variety of budgets. Plus, check out our roundup of the best PC cases.

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