Solving playback issues

[Paco461]

My Roku will turn on & play for a little while then shut off or down & I get a no S=signal. It will start back up & work for a little bit. Or it will work then go back to the jumping Roku screen. I have double checked that all plugs are nice & tight. I have moved to the power block instead of the TV. I checked for updates. I have even tried on other TVs. I don't know what else to do. 

[RokuCarly]

Hi @Paco461.

Welcome and thank you for posting here at the Roku Community!

We regret to hear that you are having network issues on your Roku streaming device. No worries, we're here to find you the best resolution.

Kindly provide us your device's serial number so that we will be able to pass this along to the appropriate  Roku team for further investigation (this can all be found in Settings > System > About).

We're looking forward to hear from you. Thank you!

All the best,

Carly