How To Properly Clean Your Laptop Fan
Start with the vents before you reach for a screwdriver.
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Your laptop fan has probably spent its entire life working inside a cramped chassis, so dust eventually gets an invite. Let too much of it build up around the vents, fan or heat sink and airflow can be hampered. Over time, restricted cooling can result in thermal throttling, which is when the processor reduces its performance to keep temperatures under control.
Fortunately, cleaning a laptop fan doesn't necessarily involve disassembling the laptop. For routine maintenance, turn the laptop off, unplug it and use short bursts of electronics-safe compressed air through the vents. Lenovo recommends cleaning a laptop fan every three to six months, depending on the environment.
When dust is packed deeper inside, it makes sense to open the laptop. But be aware of what you are getting yourself into. Depending on the machine, removing the bottom...
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