Reconnect the Chromecast to Wi-Fi. Your Chromecast can be disconnected from Wi-Fi, which could be why the remote has disconnected and it is not working.. To modify the Wi-Fi network on your Chromecast, turn on the TV and launch the Google Home app. Make sure to connect your smartphone or another device to the same network as the Chromecast.
Launch the Google Home app on your mobile device. Select the Chromecast device for which you want to reset the remote from the list of available devices. Once you are on the device settings page, look for the “Settings” option, usually represented by a gear icon, and tap on it. Scroll down to find the “Remote” option and tap on it.
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Initially, I could program all the buttons for each device properly. Unfortunately, I was not having any luck with using the power button to turn on all the devices together. Initially for the power button if I chose: Auto (CEC) - turns on/off the CCwGTV only. TV (CEC) - turns on/off the CCwGTV only. Chromcast - turns on/off the CCwGTV only.
When the TV comes back on, check to see if your Chromecast remote is working again. Download Google TV app to your smart phone. If for some reason your Chromecast remote is still not working, you should go ahead and download the Google TV app to your smartphone. Android users: Google TV – Google Play Store ; iOS users: Google TV – Apple App
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