This is the most common error that every user can face. The TV has a number of video inputs and plugging in the Roku com link device cable to a wrong port can lead to a no display error. Mostly, all TVs have inputs such as HDMI 1, HDMI 2, AUX, VIDEO IN 1 etc. Based on your TV configuration, you should select this input. Select it rightly and press the INPUT/SOURCE/AUD/ TV/VIDEO button on your TV remote and select the appropriate input from the choice of inputs shown on the TV.

There are several reasons why your Roku would freeze all of a sudden in the middle of streaming something. The reasons for this can be attributed to several things and some of them are; (1) A faulty internet connection caused by the router or your ISP. In which case, you must troubleshoot the issue accordingly. (2) The HDMI connection between the Roku and the TV are not proper wherein you can try replacing the cable or try using a spare. (3) A Roku server issue for which you must wait for Roku to resolve the issue.