If your Deco mesh Wi-Fi setup is acting up, like it drops connections, feels painfully slow, or throws weird setup errors, doing a factory reset TP Link Deco can usually bring everything back to its default, old reliable state. Basically the reset wipes out your saved preferences, then you can begin again with a fresh deco tp link setup, kind of like a clean slate. Why you might Reset Your TP-Link Deco? There are a bunch of reasons people end up needing a reset, for example: