Sky w new box , tv screen keeps going green , red and white , can hear sound but no picture

[Louie+h]

My new sky w isn't working , I get a picture for a moment then only sound while the screen goes from red to green to white

[Greenfingers001]

Hi there, I’ve escalated your post to our Community Messaging team who will invite you to a private chat shortly and help you with this. 

Just look out for the colourful bubble to start the conversation.

Here's more information on how Community Messaging works - https://helpforum.sky.com/t5/Did-you-know/Escalating-a-post-to-a-Sky-expert/ba-p/3711147

[Greenfingers001]

We are still looking to help you. If you need our support let us know and we can re-escalate to our chat team. Your invite has been closed now. Thanks