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Start Hardware

Cleaning the notebook cooler – Guide 2025

MasterTrend Insights by MasterTrend Insights
August 12, 2025
in Hardware
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Cleaning the notebook cooler

portable cooler with dust

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Contents

  1. 🛠️ How to clean your laptop's fans and heatsinks
    1. 📌 Key components
  2. ⚠️ Symptoms that your notebook needs internal cleaning
  3. 🚨 Risks of not cleaning in time
  4. 🧽 Step-by-step guide to cleaning the system
    1. 🚫 What you should NOT do
    2. ✅ Expected result
    3. Related Posts

💨 DIY Guide: Cleaning Your Notebook's Cooler

🛠️ How to clean your laptop's fans and heatsinks

When turning on a notebook, some components like the processor and the graphics chip 🔥 They generate a lot of heat.
To avoid overheating, the fan (cooler) regulates its speed and dissipates heat through the heatsink and its grids.

🔍 Basic operation of the ventilation system:
How a laptop's ventilation and heat dissipation system works

📌 Key components

  • 1️⃣ Processor and 2️⃣ graphic card.
  • 3️⃣ Heatsink copper with internal gas and thermal paste.
  • 4️⃣ Fan which pushes air towards the heatsink.
  • 5️⃣ Grilles to expel hot air.

⚠️ Symptoms that your notebook needs internal cleaning

Internal cleaning of fans and heatsinks

  • 🔊 Fan sounds louder than usual.
  • 🔥 Warm touch keyboard.
  • 💨 Little or no airflow through the outlet.
  • ⛔ Frequent crashes after a while of use.
  • 🌡️ General laptop warm-up.

🚨 Risks of not cleaning in time

A dirty ventilation system can cause:

  • 💥 Motherboard failure.
  • 🎮 Damage to the graphics card.
  • 💾 Shorten the lifespan of the hard drive and other components.
💡 Useful information: Excessive temperature is the most common cause of failures in notebooks, especially in the graphics chip.

🧽 Step-by-step guide to cleaning the system

  1. 🔧 Disassemble the laptop and remove the motherboard to access the system.
  2. 💨 Separate the heatsink and fan, removing any thermal pads.
  3. 🖤 Clean all dirt with compressed air.
  4. 🧴 Remove the old thermal paste from the processor, graphics card, and chipset.
  5. 🌀 Clean the fan blades and grease the shaft.
  6. 🟦 Install new thermal pads if applicable.
  7. ⚪ Apply quality thermal paste in the right amount.
  8. 🔩 Reassemble the fan and heatsink.
  9. 🖥️ Take a stress test to verify correct temperatures.

🚫 What you should NOT do

Do not use compressed air from outside without disassembling it, as this will push dust inside, potentially damaging or blocking the fan.

✅ Expected result

After a thorough cleaning, the fan will be much quieter and temperatures will drop even during demanding tasks.

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