Home Wi-Fi question

Why does Wi-Fi keep disconnecting on all my devices?

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Quick answer

Current answer

Wireless interference can cause intermittent disconnections. Nest products might continuously disconnect and reconnect.

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Why do all my devices have Wi-Fi but no internet?
This question is related, but its scope should be checked separately.
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Why does Wi-Fi keep disconnecting on only one device?
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Scope & boundaries

Applies when: Use when: - multiple devices repeatedly lose Wi‑Fi connectivity; - the problem appears shared across the home network; - connection later returns or can be restored.
Does not apply when: Excluded when: only one device repeatedly disconnects → A1-19; dropouts occur only in one room/area → A1-20; devices stay connected to Wi‑Fi but internet access drops → A1-12/A1-13 depending scope; a mesh point itself goes offline while clients elsewhere remain stable → A1-21..
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