How to Fix a Noisy Computer Fan 
                     How to 
Fix a 
Noisy 
Computer 
Fan
1
Introduction:
A noisy computer fan can be 
very inconvenient and may be 
a sign of several problems. 
Here's how to silence a loud 
computer fan
           Source: amazon.in
2
Clean the Fan and Vents:
Dust accumulation in the fan 
and vents can make the fan work 
harder and produce more noise.
 After turning off the computer, 
open the case and use 
compressed air or a small brush 
to carefully clean the fan blades 
and surrounding vents to get rid 
of dust and debris.
           Source: easytechjun.com
3
Examine for Obstructions: 
Occasionally, foreign objects 
can become lodged in the fan 
blades and produce noise.
 Make sure the fan cannot 
move because of a cable, 
label, or any other 
obstruction.
           Source: ign.in
4
UEFI/BIOS Fan Speed 
Adjustment:
Restart your computer, then 
press the key that 
corresponds to BIOS/UEFI 
settings (usually shown on 
the screen) during boot.
Search for settings 
pertaining to control or fan 
speed. 
There are fan speed settings 
available on certain 
           Sourcec: ccsi.com motherboards.
While lowering the fan speed5  
may lessen noise, be careful 
not to sacrifice adequate 
cooling.
Install Fan Speed Control Soft
ware:
Manual fan speed control is p
ossible with a number of thir
d-party  
software programs (such as 
Macs     
Fan Control for macOS or Spe
edFan for           Windows).
When using such software, e
xercise caution and make cau
           Source: amazon.in tious settings adjustments  
to prevent your system from6 
overheating.
Change the Fan:
If the issue persists after 
cleaning and adjusting, the 
fan may be broken or worn 
out.
Think about getting a new 
fan that works with your 
system to replace the old 
one. Make sure the size and 
type are correct.
           Source: etsy.com
7
Look for Hardware Problems:
A loud fan could be a sign of 
a hardware problem. Verify 
whether the fan bearings are 
worn out or if the fan has any 
other physical problems.
Replacing the fan itself may 
be the only practical option if 
it is damaged.
           Source: amazon.in
8
Keep an eye on the system 
temperature:
To check the temperature of 
your system, install 
monitoring software (such as 
HWMonitor, Core Temp, or 
Open Hardware Monitor).
Fans may have to work 
harder in hot weather. 
Increasing cooling options or 
enhancing ventilation could 
be beneficial.
Speak with an Expert:
           Source: quora.in
Consult a qualified technicia9n 
or the manufacturer's 
support if you have questions 
about configuring hardware 
or software.
Conclusion:
Be cautious at all times when 
using your computer. 
Make sure it is unplugged 
and powered off before 
attempting any hardware 
modifications or cleaning. 
If the fan noise continues and 
appears strange, especially 
when combined with other 
system problems, it may be a 
sign of a more serious 
hardware issue that needs to 
be fixed by a professional.
           Source: quora.com
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