Yes, a used PC could sound like a plane engine when playing Flight Simulator.

And you should take the necessary measures to fix it.

Lets keep your PC silent.

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When dust accumulates on the fans, it prevents cool air from getting inside the PC.

And the CPU gets hot.

As a result, the fans speed up to cool down the CPU, and the fans get loud.

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In case theres not enough breathing room behind the PC, the airflow gets restricted.

It can cause the processor and hardware to overheat, resulting in system failure.

To prevent it, the fans get loud by turning up the speed.

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As a result, the fans start to turn much faster and get noisy.

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Theres a reason that a processors maximum power is locked.

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As a result, turning the fans much quicker, producing loud noise.

Old and outdated drivers do not go well with installed hardware.

Its like having an old rusty engine in your Ferrari.

Outdated drivers can make the whole system unstable and cause stress on the CPU, overheating it.

And you’ve got the option to guess what an overheated CPU leads to.

Also, Check out the battle-tested comparisons betweenCorsair Dominator and Corsair Vengeance RAM.

Demount the fans and clean them properly, also clean the vents and heatsink.

Scan the computer for at least a week and eliminate any pop in of virus or malware.

Keep your unit drivers updated to the latest versions.

Here are the steps to fix loud PC fan noise:

1.

Grab a Brush and Start Cleaning

Dust is the most common thing that makes the fans noisy.

The fans will collect dust; that is inevitable.

Just see to it they dont collect enough dust to overheat the CPU.

A proper cleaning once a month will do the job.

Keep the desktop table clean as well.

Carefully disassemble your desktop and clean everything with an air duster.

you could use a small paintbrush to clean the blades of the fans.

Give Your PC Some Space

We all get uncomfortable if someone gets in our personal space.

Its true for PCs as well.

Dont keep the PC too close to the wall.

Also, ensure that the ventilation is not covered by anything.

Scan for Virus & Malware

Use antivirus software and scan the whole computer at least twice a week.

If you have Windows 10 and higher, itll come with a default antivirus called Windows Security.

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Check the Running Processes

Open Task Manager and test whether any process is behaving suspiciously or not.

Close Unwanted Tabs

Web browsers like Chrome and Safari use a lot of memory.

If you keep opening tabs, the RAM keeps reducing.

When you are done with a page, ensure to wrap up the tab.

Also, keep the browsers updated; their memory usage will drastically reduce.

Stop Overclocking the CPU

The CPU is restricted for a reason.

It keeps the processor cool & calm so it may live longer.

Yes, overclocking the CPU will unlock its full potential, but the cost is too high.

It might stress out the CPU easily, even when its not doing anything.

In case youve already overclocked the CPU, then underclock it.

Also, modernize your gadget drivers, even implement the optional updates.

After installation, restart the machine if required.

Check Fan Connection

The processor controls the fans RPM by using the temperature data provided by the thermal sensors.

check that the fans are connected to the correct headers.

Also, Check out our expert-recommendedbest low-profile cpu coolerfor your chassis.

Small fans tend to get louder, so have a go at buy large fans.

Also, if your heatsink is small, purchase a bigger one.

FAQs

Why is my fan so loud when I turn on my PC?

Is it bad if my PC is loud?

Yes, PC being loud is generally pretty bad.

you gotta find out whats causing the sound and fix it immediately.

Why is CPU fan running so fast?

Final Thoughts

Great!

We are at the end.

Its so nice and quiet, isnt it?

The sound of silence is so peaceful.

Keep doing what Ive instructed here.

Let me know if you have any questions regarding any other parts of the PC.

See you in the comment section.