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Why is kernel_task hogging the CPU?

MacFormat UK

November 2025

To cool a notebook Mac running with its case closed in clamshell mode, open it and clear around its case.

- by ALEX KOCH

Q Why does Activity Monitor keep showing kernel_task is taking high CPU %?

A This is a sign of thermal strain, telling you to let your Mac cool down.

Diese Geschichte stammt aus der November 2025-Ausgabe von MacFormat UK.

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