Help getting started with Roku devices, including setup, connecting your device to your TV, linking a Roku device to your account at my.roku.com/link, adding channels, subscribing to services, and more.
Can you please clarify the issue you are experiencing? Is your Roku device making the sound or the remote? Have you tried performing a factory reset on the Roku device? Have you tried switching out the HDMI cable used to connect the device?
With more information we will be able to assist you further.