I finally fixed my Linux laptop’s constant fan noise — it wasn’t the hardware

Feb 22, 2026 - 08:30
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I finally fixed my Linux laptop’s constant fan noise — it wasn’t the hardware

For a few months now, whenever I launch my browser, my laptop gets so loud you'd think it's compiling the Linux kernel. The fan was constantly speeding up after booting, but CPU usage still hovered between 8 and 12%. I recorded temperatures reaching 65°C, which is hot but not dangerously high. I tried cleaning the vents, and I also replaced the thermal paste.

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