How to tell if your computer needs an internal cleaning

02 Feb 2026

Dust reduces airflow and forces the fans to work harder. If the computer gets hot, makes noise, or slows down, it is a good idea to check the vents, fans, and thermal paste. A proper cleaning requires opening the computer carefully and then checking its temperatures.

We do not recommend blowing air without disassembling it: dust can shift into more delicate areas. Before doing anything, you should also rule out software problems or a failing drive.

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Frequently asked questions

It can help if the problem is dirt or obstructed ventilation. A worn fan or another fault may require a different action; we check before promising results.

It depends on dust, pets, location, and use. Increased noise or temperature justifies a check, without waiting for the equipment to shut down on its own.