this post was submitted on 12 Mar 2026
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Some laptops use magnets to help the lid snap closed. I took the back off an old Lenovo and could see the magnets clipped inside.
Or magnets for hall effect sensors to tell when the lid is closed.
Ah yeah, that seems to be it. When I drop my keys in the right place, it goes into suspend. If I lift them back off afterwards, it wakes back up.
Neat. 🙃