Hi, @chiunko1.
We appreciate you reaching us here in the Roku Community!
We'd be more than happy to help you set up your streaming device's display type.
Here's how you can set your streaming device:
- Pres Home button on your remote
- Select Settings
- Select Display Type
- Choose the resolution you prefer.
Moreover, you may also visit this support article on how to find 4K and 4K HDR movies and TV shows
Hope this helps!
Regards,
Reynan
Reynan L.
Roku Community Moderator