My roku is glitching and plays the video with no sound. It also studders when it does play. I have to restart The Whole stick just to get it to play right. There is no customer service, because this company sucks. Every other company has people whom work for home. Not this one!
It’s not the layout of the stick, internet is fine. There is a glitch on almost all sticks, and they won’t fix it. Stick need maintenance. I own 6 sticks and all of them are doing it. If I switch to a fire stick- no issues. Happens on funimation, Hulu, Netflix, etc
Not sure of the cause, but I've been having this problem on both of our Rokus for months. The immediate fix is just to disconnect, the reconnect, the cables from the back of the Roku. After it reboots I'm normally good to go. Sorry, it's not a long-term fix and it is annoying, but I normally don't have to do it every day.
Try removing the channel from the Roku home screen by navigating to the channel tile, pressing the * key on your remote and choosing 'Remove channel'. Then restart your device from Settings>System>System restart. Once your player starts up again, add the channel back once more.
Does this clear up the issue you are seeing? Please keep us posted.
I don't know that your issue is the same as mine, but here's what I did to make mine work.
My system - Roku stick on a Vizio TV (no external speakers or soundbar).
On the Roku stick menu, go to Settings -> Audio -> HDMI -> and set to PCM - Stereo. It appears that the audio HDMI auto detect routine has a defect in it where it fails to switch over after one or more of the states was selected. The Audio Mode setting did not make a difference. This means no Dolby output, but at least I have sound.
Hope it works for you while Roku find the bug and squashes it.