How to Geek: “If your Wi-Fi works fine in some parts of the house but feels downright miserable in others, you’re probably dealing with Wi-Fi dead zones. And yes, they can still be a thing even right next to your router under the wrong circumstances. Before you start buying Wi-Fi extenders or mesh Wi-Fi systems, or even a switch, you might be able to fix the issue for free with one of these three golden rules…”