If youre using customized configs, go back to auto-detect mode.
This allows Roku to automatically detect the correct resolution and frame rate options that your TV supports.
In most cases, Roku should be able to detect the capabilities of your TV.
Enabling the auto-detect feature should be enough to solve this problem for most users.
Check your TV options and have a go at optimize them.
Or remove the HDMI cable, swap the ends, and reconnect them to your unit.
Also, try a different HDMI input and peek if you notice any improvements.
Check for updates
Installing the latest system updates may help you to fix this problem.
Factory reset the machine
If nothing worked, tryperforming a factory resetas a last resort.
Keep in mind this will clear absolutely all the data from your machine.
It will be as if you bought a new Roku rig.
If the issue persists, contact Roku support and their team will assist you further.
