Roku is a great online streaming platform, you just have to connect your Roku set-top box to your TV and then you can watch various content online. But sometimes Roku TV won’t connect to Wifi and there can be many reasons for Roku not connecting to Wifi. There are many that the Wifi signal is weak so the Roku TV will not work, sometimes the network bandwidth is used in other network devices which causes the Roku TV to not connect to Wifi. There can also be a reason that the ethernet cable is damaged or not plugged in properly.