Why is my computer fan so loud all of a sudden? If you notice the computer fan running constantly and making an abnormal or loud noise, this might indicate that the computer is not running as efficiently as possible, and/or clogged air vents. It is important to keep dust from accumulating in your computer and ensure adequate ventilation to help reduce heat.
Is it bad if your computer fan is loud? Is it bad if my computer fan is loud? Loud computer fans and loud laptop fans can indicate problems, especially if the noise persists for a long period of time. A computer fan’s job is to keep your computer cool, and excessive fan noise means they’re working harder than they normally need to.
Why does my PC sound like a jet engine? Why is my Computer Loud? When your desktop computer sounds like a jet taking off, there are a couple of likely culprits: fans and the hard disk. These components are more likely to be loud if they’re older, when wear and tear and dust settles in.
How do I reduce fan noise? Move the fan farther away from obstacles in front and behind the fan, if they exist. Generally, obstacles on the intake side of the fan increase the noise level more than those on its exhaust side. Reduce the revolutions per min of the fan, although this may also lower the airflow.