Note: After creating a new Spectrum username, you'll need to wait 24-72 hours before you can use it to sign in to any TV apps. The Spectrum TV channel will not work internationally. For the best experience with the Spectrum TV channel, use a third-generation or above Roku device. Spectrum TV is not compatible with first-generation Roku devices.
Unplug your Roku device from the wall outlet, and wait at least 30 seconds before plugging it back into the outlet .
Try this: Check your network connection on your Roku player:
Still having trouble with sound? Check out TV troubleshooting.
Try this: Reboot your modem: