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Share some more information if you can so we can help troubleshoot. Screenshots, screengrabs, describe what you are trying to do, etc. 

It will probably be something in the shader editor that is incorrect.
If you can share a screenshot we can help you solve it.

Hey Einar EEinar ,

Did you Assign (in Edit Mode) the screen Material to the console's screen?

Oh wait; you're on Frame 0 and the movie starts at Frame 1...

You can upload your file so we can go hands on in troubleshooting it. 

Hi Einar EEinar ,

In Edit Mode Select you screen and then U > Unwrap:

You'll have to correct the UV s to fit in the Movie bounds:

It's like in the beginning of the video from  ~2:00 min....with the Eat Sheep image.

What panels do you mean?

Maybe you hit CTRL+Spacebar...that makes it go Fullscreen...just press CTRL+Spacebar again...