Question: how to connect chromecast to wifi without remote?
Answer: 1 Make sure HDMI-CEC is enabled. Turn your TV on and go into Settings. ... 
2 Confirm what powers your Chromecast. The Chromecast dongle doesn't power itself, and only some TVs will give power to the USB port even when they're off. ... 
3 Test it. ... 
4 Cast Content to Your TV, Sans Remote.