Getting Started - Setup & How-to

Help getting started with Roku devices, including setup, connecting your device to your TV, linking a Roku device to your account at, adding channels, subscribing to services, and more.
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Level 7


I just added the roku ultra and to my 4K tvin order to add Disney+ I took the HDMI cable from  my cable box and and used that to try it. It was working fine - now when I go back to try it again it’s saying no signal- My internet connection is fine- do I need a special HDMI cable?

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Roku Employee
Roku Employee

Re: Hdmi


Thanks for the note.

How are you powering the device? Is it plugged into the TV USB port or is it plugged into the wall with the provided cable and adapter?

Please keep us posted.


Danny R.
Roku Forum Moderator
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Level 7

Re: Hdmi

I'm also getting No Signal with my HDMI connection for my Roku Express.  The power supply is plugged into the wall outlet

The HDMI cable is connected to the Roku device and the TV HDMI input


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Community Streaming Expert

Re: Hdmi

Does the light illuminate on the front of the Express?  Are you sure you've selected the proper input on your TV?  Try them all.

Roku Community Streaming Expert

Help others find this answer and click "Accept as Solution."
If you appreciate my answer, maybe give me a Kudo.

I am not a Roku employee.
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Level 10

Re: Hdmi

I would suggest a factory reset, but if you answer RokuDanny's questions, he could give you a better solution.

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