There are lots of users who face Fire stick not connecting to Wi-Fi issue. Before going to solve the issue we need to know all the possible reasons for occurring this issue:: weak internet signal. Wrong Wi-Fi password. Connector problems. Steps To Fix Fire Stick not connecting to Wi-Fi Issue:: (1) Check your internet signal is strong. (2) Verify the signal with other device. (3) Check Wi-Fi Password is correct. (4) Check connector and cables damaged or not inserted loose. (5) Restart your Fire TV device. (6) Unplug the Adapter or power cord for 3 sec. (7) Re-plug it after 5 sec. (8) Restart your Wi-fi. (9) Go to settings>network then press play/pause button. I hope this will surely solve your fire stick not connecting to Wi-Fi issue, if not then contact amazon fire stick support by clicking on given link.