Discussions

[Suzieq1]

I have my Chromecast and Xfinity stream box connected to my Roku TV through the HDMI port. When I click on it to watch thought my Chromecast or stream box it says no signal is it on when everything is connected correctly. I tried unplugging them and trying a different HDMI port it registers that it moved to a different HDMI port but when you try to open it it says no signal still. Any help is appreciated! 

[RokuRiamie-D]

Hi @Suzieq1,

Welcome to the Roku Community!

We are glad you are here sharing your concern about your Roku TV not detecting your Chromecast and Xfinity stream box when connected through the HDMI port. No worries, we are here to sort this out for you.

We suggest that you try the following troubleshooting steps below: 

1. System restart your Roku TV:
   Press Home on your Roku remote > Scroll and select Settings > Select System > Select Power. If you do not see a Power submenu, skip to the next step > Select System restart.
2. Ensure that your HDMI cable is firmly plugged into the television.
3. If the issue persists, try to connect your Chromecast and Xfinity stream box to a different television to see if the same issue occurs.

We look forward to your response.

Regards,
Riamie

[egoett]

I am having this exact issue.  I have a DVD player and a Direct TV box both connected as HDMI devices.  My ROKO smart-tv is almost one year old.  It does recognize both devices in the HDMI port and will not let me delete the port until the device is removed, then I was able to unplug the device and remove all 3 HDMI ports.  I tried rebooting both the devices and the TV and then one by one added the HDMI devices.  Once they were plugged in and the TV was turned on it would recognize the devices and add the HDMI port as HDMI 1, 2 or 3 as appropriate, but still always appears as No Device Connected.  I am guessing the TV has lost its HDMI brains at this point.  My next step will be to bring a device that is working on another tv and make sure it fails on this TV and take one of these devices and make sure it works properly on a different TV.  I think I can swap Direct TV boxes with another set and see that the box works somewhere else, and this box does not work here.  That ought to prove it's the TV, not the attached devices.  I have tried all 3 ports with both devices and several HDMI cables.   Thanks. 

[RokuRiamie-D]

Hi @egoett,

Welcome to the Roku Community!

We appreciate the troubleshooting steps that you have taken trying to fix the issue of your Roku TV that is not detecting your external devices plugged in through the HDMI port. We would be more than willing to assist you with this.

Before we proceed, we would like to know the brand of your Roku TV. How to know if you have a Roku TV or a Roku branded TV

If you have attempted to connect your external devices to a different television and found that they function properly there. We suggest reaching out directly to the manufacturer of your Roku TV for additional support and guidance on troubleshooting the problem. They will be able to provide specific assistance tailored to your device. Where to get support for your Roku TV

Thank you for your cooperation and understanding.

Regards,
Riamie

[R4G3]

Hdmi randomly stopped working on the TV. Unplugged everything and waited a few minutes and plugged everything back in. No success.  Switched hdmi cords. Still, no luck. Blew into the ports to try and "undust" the ports.. (Even though it wouldn't really do anything.) NO LUCK. HELP!

[RokuRiamie-D]

Hi @R4G3,

Thank you for posting in the Roku Community!

We get that your Roku TV HDMI port is not detecting the device that you are connecting to. We're here to assist you with this.

Before we proceed, we would like to know what external device you connected to your Roku TV and what error you are getting.

In the meantime let's see if this will work for you.

• Switch the HDMI cord to a different HDMI port. (Example: From HDMI 1 to HDMI 2 or 3)
• Firmly plugged in the HDMI cord to the HDMI port.
• Try connecting your external device to a different television and see if the same issue occurs.

We look forward to your response.

Regards,
Riamie

[R4G3]

I have a ps4 in and a streaming box. They worked fine and then when I went to play the ps4 it didn't show up on t.v all the ports don't work. There's no error code.