What is the reed switch for?
Just curious, but what does the reed switch do? It's the one on top of the optical drive. Thanks in advance.
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a reed switch is a sealed glass tube having ferrous contacts inside it.. these reed strips are stiff such that in the absence/presence of a magnet nearby it opens/closes thereby breaking/completing the circuitry... like bernie said we cannot close the strips with any mechanical arm or anything.
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The reed switch controls when your computer sleeps or awakens when opening and closing the lid of your Macbook.
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I reckon it's activated by a magnet inside the right side of the lid? The switch is a sealed glass tube with contacts inside and there's no way to close/activate them directly with a mechanical arm or tab in the lid.
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Yup, the magnet is what activates and de-activates the switch.
