How to Oil a CPU Fan's Ball Bearings

Written by ezekiel james
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How to Oil a CPU Fan's Ball Bearings
Lubricate your CPU fan's ball bearings. (cpu cooler image by dinostock from

If you notice that your laptop's cooling fan is a little noisy, it may be an indication that you need to oil the fan. Every laptop cooling fan is powered by a small motor and, if not regularly lubricated, it can start to malfunction. This could have detrimental consequences for your laptop. Because the cooling fan is responsible for preventing your laptop's CPU from overheating, if the motor is not operating at peak efficiency, your CPU could suffer irreparable damage as a result.

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Things you need

  • Small, flathead screwdriver
  • Lightweight mechanical oil

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  1. 1

    Place the cooling fan on a flat surface with the labelling facing upward. Peel away the labelling sticker on the surface of the cooling fan. You may have to use a thin, flathead screwdriver to remove the labelling. Try to avoid tearing or damaging the labelling as you peel it away.

  2. 2

    Use the flathead screwdriver to pry out the rubber plug exposed by the label sticker to reveal the fan's bearings.

  3. 3

    Apply one or two drops of lightweight mechanical oil into the ball bearing access hole. See the Resources section for an online source where you can obtain the appropriate lubricant.

  4. 4

    Replace the fan's rubber cover and label sticker.

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