How to Clean a Desktop?

To clean a desktop computer effectively, focus on both the exterior and interior, prioritizing safety and preventing damage.

Exterior Cleaning

Power Down & Unplug: Always turn off and unplug your desktop computer from the power outlet before cleaning. This is a crucial safety step.
Dust the Case: Use a soft, lint-free cloth to wipe down the exterior of the computer case. For stubborn dirt, slightly dampen the cloth with a mild cleaning solution (like a diluted mix of water and dish soap), ensuring the cloth is not dripping wet.
Clean Peripherals: Don't forget to clean your keyboard, mouse, and monitor. For the monitor, use a microfiber cloth specifically designed for screens to avoid scratches. Isopropyl alcohol (70% or higher) can be used sparingly on a cloth to clean keyboards and mice, but avoid direct spraying.
Clean Ports: Use a can of compressed air to blow out dust and debris from ports (USB, audio, etc.).

Safety First: Ground yourself by touching a metal part of the case before touching any internal components to discharge static electricity.
Open the Case: Consult your computer's manual for instructions on how to safely open the case.
Dust Removal: Use a can of compressed air to blow out dust from all internal components, including the motherboard, graphics card, CPU cooler, and power supply. Hold the can upright and use short bursts. Avoid tilting the can excessively, as this can release liquid propellant.
Component Cleaning (Optional): For components with particularly stubborn dust buildup, consider using a small brush with soft bristles to gently loosen the dust before blowing it away with compressed air.
Cable Management: Consider tidying up cables inside the case to improve airflow and make future cleaning easier.
Reassemble: Once everything is clean and dry, carefully reassemble the computer case.

Important Considerations:

Static Electricity: Static electricity is a major threat to computer components. Always ground yourself before working inside the computer.
Liquid Damage: Avoid getting any liquids inside the computer. Use damp (not wet) cloths for exterior cleaning only.
Vacuum Cleaners: Avoid using vacuum cleaners inside the computer case, as they can generate static electricity. The reference advises against this.

By following these steps, you can safely and effectively clean your desktop computer, helping to maintain its performance and longevity.