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How to Clean Thermal Glue

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Anyone who works on a computer knows that the machine will buzz during use. Thermal paste is used to conduct heat from the processor to a part called the “radiator”. Here, the heat sink will push out the heat to maintain a moderate temperature for the processor. This glue will dry out and need to be renewed periodically. In the stages of computer maintenance and repair, it is relatively easy to replace the new thermal paste. First, you need to practice safety when working to avoid causing damage to yourself and the computer. After that, just clean the old glue and apply new thermal paste. [1]

Safety at work

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Image titled Clean Thermal Paste Step 1

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Power off the computer. If the computer is on, open the main on-screen menu and select “Shut down” (or similar) to turn it off. Don’t just turn off the device by pressing the power button (Power). Normally, this only puts the computer to sleep (Sleep). [2]
Image titled Clean Thermal Paste Step 2

Image titled Clean Thermal Paste Step 2

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Disconnect all electrical cords and equipment. If the computer is connected to a power source, unplug it. For laptops, you need to unplug the charging cable from the computer. Disconnect the cables of all devices that are plugged into the computer. [3]
Image titled Clean Thermal Paste Step 3

Image titled Clean Thermal Paste Step 3

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Take out the battery. If you use a laptop, find the battery compartment located underneath the machine, then open the latch to remove the battery tray cover. Take out the battery and set it aside. [4]
Image titled Clean Thermal Paste Step 4

Image titled Clean Thermal Paste Step 4

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Hold down the power button. Release the remaining power in the computer by holding down the Power button after powering off and removing the battery. Press and hold the power button for at least 10 seconds to destroy the remaining power in the machine. [5]
Image titled Clean Thermal Paste Step 5

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Image titled Clean Thermal Paste Step 5

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Wear rubber gloves. Before turning on the computer and starting to work, wear rubber gloves to prevent sweat from coming into contact with electronic components, affecting the ability to operate. [6] In addition, you should also wear an antistatic bracelet to prevent static electricity from building up damaging the computer’s internal components. [7]

  • Antistatic bracelets are available at computer stores or online.
Image titled Clean Thermal Paste Step 6

Image titled Clean Thermal Paste Step 6

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Work in a dust-free environment. Dirt can affect the performance of computer internals. You need to choose somewhere clean to proceed. If you’re cleaning your workspace, wait a while for airborne particles to settle before proceeding to turn on your computer. [8]

Clean the old glue

Image titled Clean Thermal Paste Step 7

Image titled Clean Thermal Paste Step 7

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Refer to the manual. The approach to the heatsink along with the CPU will vary from computer to computer. You should consult your device’s manual for how to locate, access, and remove/assemble the necessary parts. If you no longer have the documentation that came with the device, you can visit the manufacturer’s website to view it online. [9]
Image titled Clean Thermal Paste Step 8

Image titled Clean Thermal Paste Step 8

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Clean the dust on the radiator vent. After removing the radiator, use a small brush or a can of compressed air to clean the dirt on the vents. You need to take the heatsink to another place to clean it, otherwise the dirt will get on other parts of the computer. [10]
Image titled Clean Thermal Paste Step 9

Image titled Clean Thermal Paste Step 9

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Scrape off the old glue. Find the copper core of the heatsink and scrape the old thermal paste off with the flat end of the spudger. [11] However, if you are a cautious person and do not want to scratch any parts, skip this step and proceed to the next step. [12]

  • You can also use a paper towel or dry towel to wipe away the old glue if you don’t want to accidentally scratch the parts when shaving. [13]
Image titled Clean Thermal Paste Step 10

Image titled Clean Thermal Paste Step 10

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Wipe off remaining glue. Even if you use a component pry, it can only partially clean the old glue. Whether you skip the spudger shaving step or not, at this step use coffee filter paper, a lint-free cloth, or a cotton swab. Dip a little rubbing alcohol or a cleaning solution specifically for heat sinks and then wipe the copper core surface. [14] The purpose of this is to cause the old glue to become damp and gradually peel off. Repeat this operation with a clean filter paper, cloth, or cotton swab. [15]

  • After all old glue marks have been removed, repeat this step one more time to prepare to apply new glue.
  • These surface-specific cleaners are often labeled TIM (short for “thermal interface material”). [16]
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Image titled Clean Thermal Paste Step 11

Image titled Clean Thermal Paste Step 11

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Repeat these steps with the processor. Observe if there is any glue leading from the processor to the heatsink. If so, use the same steps as above to clean this surface. However, if you use a component pry to scrape off the old glue, you should only use a plastic type to limit scratches and damage to parts. If you don’t have a plastic spudger, skip this step. [17]

  • Be especially careful when the glue is about to come off. You don’t want to accidentally get the old glue lost and stuck somewhere on the processor.
Image titled Clean Thermal Paste Step 12

Image titled Clean Thermal Paste Step 12

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Do the same with any surface with thermal paste. If old thermal paste is on other parts, use the same method to clean it. However, you should use a cotton swab, paper towel or soft material instead of the part pry, as other parts may be more fragile. A specialized CFC (chlorofluorocarbon) compressed air spray for cleaning electronic components is also a good choice if the glue is in hard-to-reach gaps. [18]

New glue

Image titled Clean Thermal Paste Step 13

Image titled Clean Thermal Paste Step 13

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Let the heatsink and processor dry naturally. Note: after removing all the old glue, you need to soak some rubbing alcohol or specialized cleaning solution and wipe these parts. Do not apply new glue immediately after cleaning. Wait until the parts are completely dry on their own. [19]
Image titled Clean Thermal Paste Step 14

Image titled Clean Thermal Paste Step 14

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Apply thermal paste to the processor core. Apply a small amount of glue the size of a grain of rice directly to the surface of the copper core. Before doing the same with the radiator, you should go through the manual. If there are no specific instructions, you can safely put glue on the radiator. [20]

  • Thermal paste is available online as well as other computer and electronics stores.
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Image titled Clean Thermal Paste Step 15

Image titled Clean Thermal Paste Step 15

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Apply glue on the copper core surface. If you are wearing rubber gloves, at this time, you should change to a cleaner pair. If not, you can wrap several layers of food wrap around your fingers. Then, use your fingertips to spread the glue evenly on the surface of the copper core. [21]

  • Try not to let the glue stick to the printed circuit board area. If you accidentally wire a little glue to this surface, that’s okay. The computer will still work fine, it’s just that you’ll need more cleaning the next time you change the glue.
  • Image titled Clean Thermal Paste Step 16

    Image titled Clean Thermal Paste Step 16

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    Reinstall the computer. Once the thermal paste has been applied to the processor core, you can put the components back on. Refer to the manual for the specific computer model for how to do this. [22]

    • Things you need

    • Computer User’s Manual
    • Clean workspace
    • Latex gloves (optional)
    • Anti-static bracelet (optional)
    • Small brush or compressed air spray to clean dust
    • Spudger (preferably plastic)
    • Coffee filter paper, lint-free cloth or cotton swab
    • Rubbing alcohol or radiator cleaner
    • Heatsink Glue
    • Food wrap

    Anyone who works on a computer knows that the machine will buzz during use. Thermal paste is used to conduct heat from the processor to a part called the “radiator”. Here, the heat sink will push out the heat to maintain a moderate temperature for the processor. This glue will dry out and need to be renewed periodically. In the stages of computer maintenance and repair, it is relatively easy to replace the new thermal paste. First, you need to practice safety when working to avoid causing damage to yourself and the computer. After that, just clean the old glue and apply new thermal paste. [1]

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