"No signal" means just that. Not all TV receivers have the same sensitivity. If you are splitting the antenna between multiple TV receivers you are cutting the available signal in half with each split.
If it's a dedicated antenna and cable to the Roku TV, maybe it needs a pre-amplifier? I put one on my TV and got a bunch of new channels that it couldn't hear before. But a pre-amp can also get overloaded by nearby strong transmitters so it's not a perfect solution for everybody.
This issue occurs even when we only have just the ROKU TV on and it is receiving some channels just not all. Other ROKU issues on this community have brought up a similar problem- missing channels 2,3,5. So some channels but not all.
Thanks for the response, mabez.
We understand that the issue persists, as not all the antenna channels show, and we apologize for any inconvenience this may have caused.
In this case, we recommend restarting your Roku device from the settings menu by navigating to Settings > System > Power > System restart (if you do not see a Power submenu, skip to the next step).
After doing so, please try to re-scan the local channels.
We would recommend reproducing the issue again and sharing with us the details below.
Feel free to keep us posted on how it works with the device details.
All the best,
Chel
