How to Clean Inside a Laptop Computer

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Over time, the inside of your laptop will acquire a buildup of dust and grime. This accumulation can impact the performance of your computer, slowing your fan and causing overheating. Luckily, you can thoroughly clean the inside of your laptop with just a little bit of work.

Things You'll Need

  • Microfiber cloth
  • Compressed air
  • Small Phillips screwdriver
  • Unplug your laptop and remove the battery before you begin. This will prevent any risk of shock, as well as the damage a static discharge can do to your computer's components.

  • Unscrew the back of your laptop. The screws holding most laptops together are very small. Place the screws you remove in a safe place, so that you can find them again when you are done. Any small container makes a good screw-holder.

  • Examine the inside of the laptop. You will likely see a large buildup of dust near the fan and vents, though there may also be a thin coating on the motherboard or other parts. Pick off any large "dust bunnies" with your fingers, and blow the residue away with your compressed air. Be sure to hold the air can upright, and far enough away from your laptop to prevent condensation or freezing from occurring (6 to 12 inches should be good). Carefully wipe away any leftover dust with the cloth.

  • Unscrew the fan. You will have to unplug it from the motherboard to be able to lift it free from the laptop. Use the compressed air to blow the dust out from between the blades, as well as any dust that may be on the underside of the fan.

  • Use the cloth to wipe any dust from the inside of the back of your laptop. Carefully screw the fan back in, and replug it to the motherboard. Replace the back of your laptop and screw it on again, as well.

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