No pictures only sound on Roku express

I got a new Roku express today and unfortunately it only plays sound on the apps no picture at all, I tried restarting it in settings but still didn’t work 

Hi Jackie65,

Thanks for getting in contact! We are glad to have you here.

We appreciate you for reporting about the issue of your Roku Express which has no picture when playing a channel. Don't worry, help is here.

Before we proceed, we would like to know the following:

• When did this issue start?
• Does it happen from all of the channels?
• Have you tried checking your network connection?

For more help, please visit our Roku support article: Issues playing content on your Roku device

We look forward to your response.

Cheers,
The Roku Community