Hi @Junsixx,
Thanks for your post.
We're sorry to hear about the inconvenience this may cause. We're here to help. Have you tried following the suggested steps above by @RokuMary-F? If not resolved, kindly let us along with additional details you may have. For an instance, if you receive an error message or code? How long has the issue been occurring? So we can look into this further.
See more tips and troubleshooting steps for this type of issue here: How to connect your Roku® streaming device to the internet using Wi-Fi® or Ethernet
Keep us posted on how it goes.
Regards,
Nimfa