Make sure your Google Chromecast is plugged in to your TV and your TV is switched on. Log in to your members site at https://members.tapfitonline.com/. On your ipad or iphone, swipe down from the top right to access the control panel and press the “Screen Mirroring” option. From there, you should see all of your devices. Choose the one that is connected to your TV and whatever is on your ipad will be mirrored on your TV screen.