Turn Wi-Fi off and on from the mobile device you're using to set up the Chromecast device. Reconnect power cable back into the Chromecast device.Disconnect the power cable from the Chromecast device.Enable the option "Allow guests to see each other and access my local network" in the "Guest Network Setup".Note: If you're unable to set up using the Netgear Nighthawk router, then you may need to:.Unplug the power source for ~1 minute before plugging back in.Use our self-help flow to troubleshoot a Chromecast connection issue. Did your ISP (Internet Service Provider) upgrade or make any changes to your router/modem?.Were there any recent changes to your network?.Has the Chromecast device been connected to this network before?.The Chromecast device is within 15 - 20 ft of the mobile device or tablet you're using to set it up.
Chromecast is powered on and plugged into a wall outlet.If you're able to see your Wi-Fi network listed in the Google Home app during setup, but you can't connect your Chromecast or Chromecast built-in device to the network and complete the setup process, try these steps.