Physical barriers such as thick walls, metal objects, or even large appliances can block or scatter the signal between your router and the Roku. However, some router configurations or ISP restrictions can cause this automatic assignment to fail.
Fixing Incorrect Roku DNS Settings for Internet Connectivity
You should always start by checking the status of your modem and router, as a problem at the source will prevent any device from connecting. Verify that the router is connected to the modem via an Ethernet cable.
Unlike a wired connection, wireless signals are susceptible to environmental factors that degrade performance. Analyzing the Roku Device Itself If your modem is online but the internet still is not connecting to Roku, the issue likely resides within the settings or hardware of the streaming player.
Fixing Incorrect Roku DNS Settings for Internet Connection
By default, Roku uses automatic DNS, which relies on your router to assign the correct addresses. A Roku that is struggling to process data may fail to establish a handshake with your network.
More About Why is my internet not connecting to roku
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