One of the most common reason to clean
a computer is to remove dust buildup. Recall that the power supply's fan draws air into the computer and distributes it over
the internal components. It do the same thing with dust.
Take Note!
Dust can cause electrostatic discharge
(ESD) that can lead to overheated components and to malfunction of your computer.
Safety Procedures!
It's important to clean inside the
computer regularly.
