Hello
To reset chromecast network, use the following procedure: -
1) Use the button on Chromecast to reset Chromecast
2) Hold down the button (next to the micro USB port) on your Chromecast for at least 25 seconds or until the solid light begins flashing.
3) Then disconnect the USB power cable. Wait a few seconds.
For further information:
Chromecast.Com Help | Chromecast.Com/Help
