Nothing’s more frustrating than your shiny new TP-Link TP-Link XE75 PRO 5GHZ Not Working. You’ve got devices that support it, the router lights are fine, but when you try to connect? Nothing. 2.4GHz might work, sure, but 5GHz is where the speed lives. https://deco-mesh.net/tp-link-xe75-pro-5ghz-not-working-what-to-do/