What is an effective method for cleaning dust from a laptop's air vents?

Using compressed air to blow out dust and debris from a laptop's air vents is the most effective method for cleaning. This approach allows targeted removal of dust buildup without the risk of damaging internal components. Compressed air can easily reach the tight spaces in the vents where dust accumulates, effectively dislodging particles that could obstruct airflow or lead to overheating.

Other methods, while they may seem convenient, can be less effective or even harmful. For instance, using a damp cloth might introduce moisture into the device, which can cause electrical shorts or damage sensitive components. A vacuum cleaner, while it can remove some dust, may also create static electricity that can harm the laptop's internal parts. Wiping with a dry sponge may not provide the force needed to dislodge entrenched dust and could also leave residue behind. Therefore, using compressed air strikes the right balance of effectiveness and safety for cleaning laptop air vents.